Home / 981,902.01-1,355,032.89-552,178.38

Finding the Fourth Proportional to 981,902.01, 1,355,032.89 and 552,178.38

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Solution

The fourth proportional to 981,902.01, 1,355,032.89 and 552,178.38 is: 762,010.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,902.01 : 1,355,032.89 = 552,178.38 : x
  2. Step 2: Convert to fraction form
    981,902.01/1,355,032.89 = 552,178.38/x
  3. Step 3: Cross multiply
    981,902.01x = 1,355,032.89 × 552,178.38
  4. Step 4: Simplify right side
    981,902.01x = 748,219,866,046.92
  5. Step 5: Solve for x
    x = 748,219,866,046.92/981,902.01
  6. Step 6: Final answer
    x = 762,010.73

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1.5x scale

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.