Finding the Fourth Proportional to 623,159.40, 858,952.56 and 486,956.68
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Solution
The fourth proportional to 623,159.40, 858,952.56 and 486,956.68 is: 671,212.99
Step by Step Solution
- Step 1: Write the proportion equation
623,159.40 : 858,952.56 = 486,956.68 : x - Step 2: Convert to fraction form
623,159.40/858,952.56 = 486,956.68/x - Step 3: Cross multiply
623,159.40x = 858,952.56 × 486,956.68 - Step 4: Simplify right side
623,159.40x = 418,272,686,895.10 - Step 5: Solve for x
x = 418,272,686,895.10/623,159.40 - Step 6: Final answer
x = 671,212.99
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.