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Finding the Fourth Proportional to 981,174, 1,471,761.02 and 307,308.03

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Solution

The fourth proportional to 981,174, 1,471,761.02 and 307,308.03 is: 460,962.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,174 : 1,471,761.02 = 307,308.03 : x
  2. Step 2: Convert to fraction form
    981,174/1,471,761.02 = 307,308.03/x
  3. Step 3: Cross multiply
    981,174x = 1,471,761.02 × 307,308.03
  4. Step 4: Simplify right side
    981,174x = 452,283,979,686.99
  5. Step 5: Solve for x
    x = 452,283,979,686.99/981,174
  6. Step 6: Final answer
    x = 460,962.05

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Similar ratio
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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.