Finding the Fourth Proportional to 486,877.97, 672,079.11 and 435,800.59
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Solution
The fourth proportional to 486,877.97, 672,079.11 and 435,800.59 is: 601,572.65
Step by Step Solution
- Step 1: Write the proportion equation
486,877.97 : 672,079.11 = 435,800.59 : x - Step 2: Convert to fraction form
486,877.97/672,079.11 = 435,800.59/x - Step 3: Cross multiply
486,877.97x = 672,079.11 × 435,800.59 - Step 4: Simplify right side
486,877.97x = 292,892,469,771.10 - Step 5: Solve for x
x = 292,892,469,771.10/486,877.97 - Step 6: Final answer
x = 601,572.65
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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.