Home / 873,049.28-1,309,310.72-573,517.76

Finding the Fourth Proportional to 873,049.28, 1,309,310.72 and 573,517.76

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Solution

The fourth proportional to 873,049.28, 1,309,310.72 and 573,517.76 is: 860,103.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,049.28 : 1,309,310.72 = 573,517.76 : x
  2. Step 2: Convert to fraction form
    873,049.28/1,309,310.72 = 573,517.76/x
  3. Step 3: Cross multiply
    873,049.28x = 1,309,310.72 × 573,517.76
  4. Step 4: Simplify right side
    873,049.28x = 750,912,951,278.39
  5. Step 5: Solve for x
    x = 750,912,951,278.39/873,049.28
  6. Step 6: Final answer
    x = 860,103.74

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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.