Home / 654,414.64-981,593.38-205,125.28

Finding the Fourth Proportional to 654,414.64, 981,593.38 and 205,125.28

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Solution

The fourth proportional to 654,414.64, 981,593.38 and 205,125.28 is: 307,678.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,414.64 : 981,593.38 = 205,125.28 : x
  2. Step 2: Convert to fraction form
    654,414.64/981,593.38 = 205,125.28/x
  3. Step 3: Cross multiply
    654,414.64x = 981,593.38 × 205,125.28
  4. Step 4: Simplify right side
    654,414.64x = 201,349,616,918.65
  5. Step 5: Solve for x
    x = 201,349,616,918.65/654,414.64
  6. Step 6: Final answer
    x = 307,678.96

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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.