Home / 654,318.13-981,477.42-205,073.85

Finding the Fourth Proportional to 654,318.13, 981,477.42 and 205,073.85

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Solution

The fourth proportional to 654,318.13, 981,477.42 and 205,073.85 is: 307,610.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,318.13 : 981,477.42 = 205,073.85 : x
  2. Step 2: Convert to fraction form
    654,318.13/981,477.42 = 205,073.85/x
  3. Step 3: Cross multiply
    654,318.13x = 981,477.42 × 205,073.85
  4. Step 4: Simplify right side
    654,318.13x = 201,275,352,182.10
  5. Step 5: Solve for x
    x = 201,275,352,182.10/654,318.13
  6. Step 6: Final answer
    x = 307,610.85

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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.