Home / 764,418.30-1,146,627.45-681,749.70

Finding the Fourth Proportional to 764,418.30, 1,146,627.45 and 681,749.70

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Solution

The fourth proportional to 764,418.30, 1,146,627.45 and 681,749.70 is: 1,022,624.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,418.30 : 1,146,627.45 = 681,749.70 : x
  2. Step 2: Convert to fraction form
    764,418.30/1,146,627.45 = 681,749.70/x
  3. Step 3: Cross multiply
    764,418.30x = 1,146,627.45 × 681,749.70
  4. Step 4: Simplify right side
    764,418.30x = 781,712,920,049.27
  5. Step 5: Solve for x
    x = 781,712,920,049.27/764,418.30
  6. Step 6: Final answer
    x = 1,022,624.55

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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.