Home / 981,945.47-1,355,138.35-552,251.00

Finding the Fourth Proportional to 981,945.47, 1,355,138.35 and 552,251.00

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Solution

The fourth proportional to 981,945.47, 1,355,138.35 and 552,251.00 is: 762,136.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,945.47 : 1,355,138.35 = 552,251.00 : x
  2. Step 2: Convert to fraction form
    981,945.47/1,355,138.35 = 552,251.00/x
  3. Step 3: Cross multiply
    981,945.47x = 1,355,138.35 × 552,251.00
  4. Step 4: Simplify right side
    981,945.47x = 748,376,502,150.16
  5. Step 5: Solve for x
    x = 748,376,502,150.16/981,945.47
  6. Step 6: Final answer
    x = 762,136.52

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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.