Home / 981,291.96-1,471,458.17-404,807.87

Finding the Fourth Proportional to 981,291.96, 1,471,458.17 and 404,807.87

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Solution

The fourth proportional to 981,291.96, 1,471,458.17 and 404,807.87 is: 607,013.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,291.96 : 1,471,458.17 = 404,807.87 : x
  2. Step 2: Convert to fraction form
    981,291.96/1,471,458.17 = 404,807.87/x
  3. Step 3: Cross multiply
    981,291.96x = 1,471,458.17 × 404,807.87
  4. Step 4: Simplify right side
    981,291.96x = 595,657,852,282.46
  5. Step 5: Solve for x
    x = 595,657,852,282.46/981,291.96
  6. Step 6: Final answer
    x = 607,013.89

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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.