Home / 422,401.54-582,928.97-231,414.93

Finding the Fourth Proportional to 422,401.54, 582,928.97 and 231,414.93

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Solution

The fourth proportional to 422,401.54, 582,928.97 and 231,414.93 is: 319,360.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,401.54 : 582,928.97 = 231,414.93 : x
  2. Step 2: Convert to fraction form
    422,401.54/582,928.97 = 231,414.93/x
  3. Step 3: Cross multiply
    422,401.54x = 582,928.97 × 231,414.93
  4. Step 4: Simplify right side
    422,401.54x = 134,898,466,787.52
  5. Step 5: Solve for x
    x = 134,898,466,787.52/422,401.54
  6. Step 6: Final answer
    x = 319,360.74

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1.5x scale

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.