Home / 422,371.89-582,887.79-231,385.23

Finding the Fourth Proportional to 422,371.89, 582,887.79 and 231,385.23

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Solution

The fourth proportional to 422,371.89, 582,887.79 and 231,385.23 is: 319,319.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,371.89 : 582,887.79 = 231,385.23 : x
  2. Step 2: Convert to fraction form
    422,371.89/582,887.79 = 231,385.23/x
  3. Step 3: Cross multiply
    422,371.89x = 582,887.79 × 231,385.23
  4. Step 4: Simplify right side
    422,371.89x = 134,871,625,353.34
  5. Step 5: Solve for x
    x = 134,871,625,353.34/422,371.89
  6. Step 6: Final answer
    x = 319,319.61

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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.