Home / 741,589.72-1,112,470.98-268,497.88

Finding the Fourth Proportional to 741,589.72, 1,112,470.98 and 268,497.88

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Solution

The fourth proportional to 741,589.72, 1,112,470.98 and 268,497.88 is: 402,778.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,589.72 : 1,112,470.98 = 268,497.88 : x
  2. Step 2: Convert to fraction form
    741,589.72/1,112,470.98 = 268,497.88/x
  3. Step 3: Cross multiply
    741,589.72x = 1,112,470.98 × 268,497.88
  4. Step 4: Simplify right side
    741,589.72x = 298,696,099,691.52
  5. Step 5: Solve for x
    x = 298,696,099,691.52/741,589.72
  6. Step 6: Final answer
    x = 402,778.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.