Finding the Fourth Proportional to 752,473.38, 1,129,079.09 and 353,146.62
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Solution
The fourth proportional to 752,473.38, 1,129,079.09 and 353,146.62 is: 529,893.12
Step by Step Solution
- Step 1: Write the proportion equation
752,473.38 : 1,129,079.09 = 353,146.62 : x - Step 2: Convert to fraction form
752,473.38/1,129,079.09 = 353,146.62/x - Step 3: Cross multiply
752,473.38x = 1,129,079.09 × 353,146.62 - Step 4: Simplify right side
752,473.38x = 398,730,465,229.04 - Step 5: Solve for x
x = 398,730,465,229.04/752,473.38 - Step 6: Final answer
x = 529,893.12
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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.