Home / 654,321.27-981,480.42-205,076.37

Finding the Fourth Proportional to 654,321.27, 981,480.42 and 205,076.37

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Solution

The fourth proportional to 654,321.27, 981,480.42 and 205,076.37 is: 307,614.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,321.27 : 981,480.42 = 205,076.37 : x
  2. Step 2: Convert to fraction form
    654,321.27/981,480.42 = 205,076.37/x
  3. Step 3: Cross multiply
    654,321.27x = 981,480.42 × 205,076.37
  4. Step 4: Simplify right side
    654,321.27x = 201,278,441,759.68
  5. Step 5: Solve for x
    x = 201,278,441,759.68/654,321.27
  6. Step 6: Final answer
    x = 307,614.09

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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.