Home / 422,028.13-582,398.85-231,041.53

Finding the Fourth Proportional to 422,028.13, 582,398.85 and 231,041.53

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Solution

The fourth proportional to 422,028.13, 582,398.85 and 231,041.53 is: 318,837.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,028.13 : 582,398.85 = 231,041.53 : x
  2. Step 2: Convert to fraction form
    422,028.13/582,398.85 = 231,041.53/x
  3. Step 3: Cross multiply
    422,028.13x = 582,398.85 × 231,041.53
  4. Step 4: Simplify right side
    422,028.13x = 134,558,321,374.24
  5. Step 5: Solve for x
    x = 134,558,321,374.24/422,028.13
  6. Step 6: Final answer
    x = 318,837.33

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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.