Finding the Fourth Proportional to 752,747.96, 1,128,396.17 and 253,839.80
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Solution
The fourth proportional to 752,747.96, 1,128,396.17 and 253,839.80 is: 380,514.95
Step by Step Solution
- Step 1: Write the proportion equation
752,747.96 : 1,128,396.17 = 253,839.80 : x - Step 2: Convert to fraction form
752,747.96/1,128,396.17 = 253,839.80/x - Step 3: Cross multiply
752,747.96x = 1,128,396.17 × 253,839.80 - Step 4: Simplify right side
752,747.96x = 286,431,853,106.19 - Step 5: Solve for x
x = 286,431,853,106.19/752,747.96 - Step 6: Final answer
x = 380,514.95
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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.