Home / 753,414.62-1,039,730.92-409,250.44

Finding the Fourth Proportional to 753,414.62, 1,039,730.92 and 409,250.44

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Solution

The fourth proportional to 753,414.62, 1,039,730.92 and 409,250.44 is: 564,775.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,414.62 : 1,039,730.92 = 409,250.44 : x
  2. Step 2: Convert to fraction form
    753,414.62/1,039,730.92 = 409,250.44/x
  3. Step 3: Cross multiply
    753,414.62x = 1,039,730.92 × 409,250.44
  4. Step 4: Simplify right side
    753,414.62x = 425,510,331,292.95
  5. Step 5: Solve for x
    x = 425,510,331,292.95/753,414.62
  6. Step 6: Final answer
    x = 564,775.79

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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.