Home / 741,449.82-1,023,244.90-419,189.96

Finding the Fourth Proportional to 741,449.82, 1,023,244.90 and 419,189.96

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Solution

The fourth proportional to 741,449.82, 1,023,244.90 and 419,189.96 is: 578,507.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,449.82 : 1,023,244.90 = 419,189.96 : x
  2. Step 2: Convert to fraction form
    741,449.82/1,023,244.90 = 419,189.96/x
  3. Step 3: Cross multiply
    741,449.82x = 1,023,244.90 × 419,189.96
  4. Step 4: Simplify right side
    741,449.82x = 428,933,988,701.20
  5. Step 5: Solve for x
    x = 428,933,988,701.20/741,449.82
  6. Step 6: Final answer
    x = 578,507.10

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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.