Finding the Fourth Proportional to 876,249.75, 1,209,224.72 and 473,841.75
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Solution
The fourth proportional to 876,249.75, 1,209,224.72 and 473,841.75 is: 653,901.65
Step by Step Solution
- Step 1: Write the proportion equation
876,249.75 : 1,209,224.72 = 473,841.75 : x - Step 2: Convert to fraction form
876,249.75/1,209,224.72 = 473,841.75/x - Step 3: Cross multiply
876,249.75x = 1,209,224.72 × 473,841.75 - Step 4: Simplify right side
876,249.75x = 572,981,155,098.85 - Step 5: Solve for x
x = 572,981,155,098.85/876,249.75 - Step 6: Final answer
x = 653,901.65
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.