Home / 981,367.34-1,472,049.17-307,500.23

Finding the Fourth Proportional to 981,367.34, 1,472,049.17 and 307,500.23

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Solution

The fourth proportional to 981,367.34, 1,472,049.17 and 307,500.23 is: 461,249.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,367.34 : 1,472,049.17 = 307,500.23 : x
  2. Step 2: Convert to fraction form
    981,367.34/1,472,049.17 = 307,500.23/x
  3. Step 3: Cross multiply
    981,367.34x = 1,472,049.17 × 307,500.23
  4. Step 4: Simplify right side
    981,367.34x = 452,655,449,448.56
  5. Step 5: Solve for x
    x = 452,655,449,448.56/981,367.34
  6. Step 6: Final answer
    x = 461,249.76

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Double scale
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Similar ratio
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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.