Finding the Fourth Proportional to 574,484.70, 861,727.05 and 397,337.70
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Solution
The fourth proportional to 574,484.70, 861,727.05 and 397,337.70 is: 596,006.55
Step by Step Solution
- Step 1: Write the proportion equation
574,484.70 : 861,727.05 = 397,337.70 : x - Step 2: Convert to fraction form
574,484.70/861,727.05 = 397,337.70/x - Step 3: Cross multiply
574,484.70x = 861,727.05 × 397,337.70 - Step 4: Simplify right side
574,484.70x = 342,396,644,074.79 - Step 5: Solve for x
x = 342,396,644,074.79/574,484.70 - Step 6: Final answer
x = 596,006.55
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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.