Home / 981,591.57-1,472,420.13-271,560.15

Finding the Fourth Proportional to 981,591.57, 1,472,420.13 and 271,560.15

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Solution

The fourth proportional to 981,591.57, 1,472,420.13 and 271,560.15 is: 407,349.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,591.57 : 1,472,420.13 = 271,560.15 : x
  2. Step 2: Convert to fraction form
    981,591.57/1,472,420.13 = 271,560.15/x
  3. Step 3: Cross multiply
    981,591.57x = 1,472,420.13 × 271,560.15
  4. Step 4: Simplify right side
    981,591.57x = 399,850,631,365.82
  5. Step 5: Solve for x
    x = 399,850,631,365.82/981,591.57
  6. Step 6: Final answer
    x = 407,349.29

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Double scale
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1.5x scale

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.