Home / 425,917.61-587,829.94-273,128.32

Finding the Fourth Proportional to 425,917.61, 587,829.94 and 273,128.32

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Solution

The fourth proportional to 425,917.61, 587,829.94 and 273,128.32 is: 376,957.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,917.61 : 587,829.94 = 273,128.32 : x
  2. Step 2: Convert to fraction form
    425,917.61/587,829.94 = 273,128.32/x
  3. Step 3: Cross multiply
    425,917.61x = 587,829.94 × 273,128.32
  4. Step 4: Simplify right side
    425,917.61x = 160,553,005,546.21
  5. Step 5: Solve for x
    x = 160,553,005,546.21/425,917.61
  6. Step 6: Final answer
    x = 376,957.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.