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Finding the Fourth Proportional to 654,576.73, 981,864.62 and 205,332.30

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Solution

The fourth proportional to 654,576.73, 981,864.62 and 205,332.30 is: 307,998.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,576.73 : 981,864.62 = 205,332.30 : x
  2. Step 2: Convert to fraction form
    654,576.73/981,864.62 = 205,332.30/x
  3. Step 3: Cross multiply
    654,576.73x = 981,864.62 × 205,332.30
  4. Step 4: Simplify right side
    654,576.73x = 201,608,520,456.56
  5. Step 5: Solve for x
    x = 201,608,520,456.56/654,576.73
  6. Step 6: Final answer
    x = 307,998.30

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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.