Home / 422,327.22-582,811.71-231,343.74

Finding the Fourth Proportional to 422,327.22, 582,811.71 and 231,343.74

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Solution

The fourth proportional to 422,327.22, 582,811.71 and 231,343.74 is: 319,254.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,327.22 : 582,811.71 = 231,343.74 : x
  2. Step 2: Convert to fraction form
    422,327.22/582,811.71 = 231,343.74/x
  3. Step 3: Cross multiply
    422,327.22x = 582,811.71 × 231,343.74
  4. Step 4: Simplify right side
    422,327.22x = 134,829,840,707.20
  5. Step 5: Solve for x
    x = 134,829,840,707.20/422,327.22
  6. Step 6: Final answer
    x = 319,254.44

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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.