Home / 741,010.72-1,022,581.45-418,713.88

Finding the Fourth Proportional to 741,010.72, 1,022,581.45 and 418,713.88

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Solution

The fourth proportional to 741,010.72, 1,022,581.45 and 418,713.88 is: 577,817.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,010.72 : 1,022,581.45 = 418,713.88 : x
  2. Step 2: Convert to fraction form
    741,010.72/1,022,581.45 = 418,713.88/x
  3. Step 3: Cross multiply
    741,010.72x = 1,022,581.45 × 418,713.88
  4. Step 4: Simplify right side
    741,010.72x = 428,169,046,545.53
  5. Step 5: Solve for x
    x = 428,169,046,545.53/741,010.72
  6. Step 6: Final answer
    x = 577,817.61

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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.