Home / 981,593.38-1,472,422.80-271,561.96

Finding the Fourth Proportional to 981,593.38, 1,472,422.80 and 271,561.96

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Solution

The fourth proportional to 981,593.38, 1,472,422.80 and 271,561.96 is: 407,351.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,593.38 : 1,472,422.80 = 271,561.96 : x
  2. Step 2: Convert to fraction form
    981,593.38/1,472,422.80 = 271,561.96/x
  3. Step 3: Cross multiply
    981,593.38x = 1,472,422.80 × 271,561.96
  4. Step 4: Simplify right side
    981,593.38x = 399,854,021,516.69
  5. Step 5: Solve for x
    x = 399,854,021,516.69/981,593.38
  6. Step 6: Final answer
    x = 407,351.99

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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.