What is The balance of an investment account is 308 more than the balance 4 years ago. the current balance of the account is 4708 of a math problem?

To find the balance of the investment account 4 years ago, subtract the increase of 308 from the current balance of 4708. This calculation is: 4708 - 308 = 4400. Therefore, the balance of the account 4 years ago was 4400.