Home / 981,944.32-1,355,132.16-552,359.68

Finding the Fourth Proportional to 981,944.32, 1,355,132.16 and 552,359.68

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Solution

The fourth proportional to 981,944.32, 1,355,132.16 and 552,359.68 is: 762,283.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,944.32 : 1,355,132.16 = 552,359.68 : x
  2. Step 2: Convert to fraction form
    981,944.32/1,355,132.16 = 552,359.68/x
  3. Step 3: Cross multiply
    981,944.32x = 1,355,132.16 × 552,359.68
  4. Step 4: Simplify right side
    981,944.32x = 748,520,366,255.31
  5. Step 5: Solve for x
    x = 748,520,366,255.31/981,944.32
  6. Step 6: Final answer
    x = 762,283.92

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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.