Finding the Fourth Proportional to 656,387.10, 905,982.72 and 427,514.70
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Solution
The fourth proportional to 656,387.10, 905,982.72 and 427,514.70 is: 590,080.05
Step by Step Solution
- Step 1: Write the proportion equation
656,387.10 : 905,982.72 = 427,514.70 : x - Step 2: Convert to fraction form
656,387.10/905,982.72 = 427,514.70/x - Step 3: Cross multiply
656,387.10x = 905,982.72 × 427,514.70 - Step 4: Simplify right side
656,387.10x = 387,320,930,745.98 - Step 5: Solve for x
x = 387,320,930,745.98/656,387.10 - Step 6: Final answer
x = 590,080.05
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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.