Home / 764,948.30-1,147,422.45-682,279.70

Finding the Fourth Proportional to 764,948.30, 1,147,422.45 and 682,279.70

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Solution

The fourth proportional to 764,948.30, 1,147,422.45 and 682,279.70 is: 1,023,419.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,948.30 : 1,147,422.45 = 682,279.70 : x
  2. Step 2: Convert to fraction form
    764,948.30/1,147,422.45 = 682,279.70/x
  3. Step 3: Cross multiply
    764,948.30x = 1,147,422.45 × 682,279.70
  4. Step 4: Simplify right side
    764,948.30x = 782,863,044,959.27
  5. Step 5: Solve for x
    x = 782,863,044,959.27/764,948.30
  6. Step 6: Final answer
    x = 1,023,419.55

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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.