Finding the Fourth Proportional to 887,161.92, 1,224,284.56 and 479,263.68
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Solution
The fourth proportional to 887,161.92, 1,224,284.56 and 479,263.68 is: 661,384.48
Step by Step Solution
- Step 1: Write the proportion equation
887,161.92 : 1,224,284.56 = 479,263.68 : x - Step 2: Convert to fraction form
887,161.92/1,224,284.56 = 479,263.68/x - Step 3: Cross multiply
887,161.92x = 1,224,284.56 × 479,263.68 - Step 4: Simplify right side
887,161.92x = 586,755,123,592.78 - Step 5: Solve for x
x = 586,755,123,592.78/887,161.92 - Step 6: Final answer
x = 661,384.48
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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.