Home / 981,923.68-1,472,420.14-342,004.24

Finding the Fourth Proportional to 981,923.68, 1,472,420.14 and 342,004.24

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Solution

The fourth proportional to 981,923.68, 1,472,420.14 and 342,004.24 is: 512,844.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,923.68 : 1,472,420.14 = 342,004.24 : x
  2. Step 2: Convert to fraction form
    981,923.68/1,472,420.14 = 342,004.24/x
  3. Step 3: Cross multiply
    981,923.68x = 1,472,420.14 × 342,004.24
  4. Step 4: Simplify right side
    981,923.68x = 503,573,930,941.39
  5. Step 5: Solve for x
    x = 503,573,930,941.39/981,923.68
  6. Step 6: Final answer
    x = 512,844.27

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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.