Finding the Fourth Proportional to 656,052.26, 984,389.43 and 390,337.70
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Solution
The fourth proportional to 656,052.26, 984,389.43 and 390,337.70 is: 585,691.61
Step by Step Solution
- Step 1: Write the proportion equation
656,052.26 : 984,389.43 = 390,337.70 : x - Step 2: Convert to fraction form
656,052.26/984,389.43 = 390,337.70/x - Step 3: Cross multiply
656,052.26x = 984,389.43 × 390,337.70 - Step 4: Simplify right side
656,052.26x = 384,244,306,010.51 - Step 5: Solve for x
x = 384,244,306,010.51/656,052.26 - Step 6: Final answer
x = 585,691.61
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.