Finding the Fourth Proportional to 724,940.14, 1,000,306.18 and 418,957.43
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Solution
The fourth proportional to 724,940.14, 1,000,306.18 and 418,957.43 is: 578,096.99
Step by Step Solution
- Step 1: Write the proportion equation
724,940.14 : 1,000,306.18 = 418,957.43 : x - Step 2: Convert to fraction form
724,940.14/1,000,306.18 = 418,957.43/x - Step 3: Cross multiply
724,940.14x = 1,000,306.18 × 418,957.43 - Step 4: Simplify right side
724,940.14x = 419,085,708,713.12 - Step 5: Solve for x
x = 419,085,708,713.12/724,940.14 - Step 6: Final answer
x = 578,096.99
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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.