Home / 741,557.72-1,112,422.98-268,465.88

Finding the Fourth Proportional to 741,557.72, 1,112,422.98 and 268,465.88

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Solution

The fourth proportional to 741,557.72, 1,112,422.98 and 268,465.88 is: 402,730.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,557.72 : 1,112,422.98 = 268,465.88 : x
  2. Step 2: Convert to fraction form
    741,557.72/1,112,422.98 = 268,465.88/x
  3. Step 3: Cross multiply
    741,557.72x = 1,112,422.98 × 268,465.88
  4. Step 4: Simplify right side
    741,557.72x = 298,647,614,257.92
  5. Step 5: Solve for x
    x = 298,647,614,257.92/741,557.72
  6. Step 6: Final answer
    x = 402,730.10

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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.