Home / 981,251.33-1,354,142.81-539,743.35

Finding the Fourth Proportional to 981,251.33, 1,354,142.81 and 539,743.35

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Solution

The fourth proportional to 981,251.33, 1,354,142.81 and 539,743.35 is: 744,854.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,251.33 : 1,354,142.81 = 539,743.35 : x
  2. Step 2: Convert to fraction form
    981,251.33/1,354,142.81 = 539,743.35/x
  3. Step 3: Cross multiply
    981,251.33x = 1,354,142.81 × 539,743.35
  4. Step 4: Simplify right side
    981,251.33x = 730,889,573,949.10
  5. Step 5: Solve for x
    x = 730,889,573,949.10/981,251.33
  6. Step 6: Final answer
    x = 744,854.61

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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.