Home / 422,028.38-582,399.17-231,041.79

Finding the Fourth Proportional to 422,028.38, 582,399.17 and 231,041.79

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Solution

The fourth proportional to 422,028.38, 582,399.17 and 231,041.79 is: 318,837.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,028.38 : 582,399.17 = 231,041.79 : x
  2. Step 2: Convert to fraction form
    422,028.38/582,399.17 = 231,041.79/x
  3. Step 3: Cross multiply
    422,028.38x = 582,399.17 × 231,041.79
  4. Step 4: Simplify right side
    422,028.38x = 134,558,546,731.31
  5. Step 5: Solve for x
    x = 134,558,546,731.31/422,028.38
  6. Step 6: Final answer
    x = 318,837.67

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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.