Home / 439,260.64-658,901.78-123,715.44

Finding the Fourth Proportional to 439,260.64, 658,901.78 and 123,715.44

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Solution

The fourth proportional to 439,260.64, 658,901.78 and 123,715.44 is: 185,576.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,260.64 : 658,901.78 = 123,715.44 : x
  2. Step 2: Convert to fraction form
    439,260.64/658,901.78 = 123,715.44/x
  3. Step 3: Cross multiply
    439,260.64x = 658,901.78 × 123,715.44
  4. Step 4: Simplify right side
    439,260.64x = 81,516,323,629.48
  5. Step 5: Solve for x
    x = 81,516,323,629.48/439,260.64
  6. Step 6: Final answer
    x = 185,576.21

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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.