Home / 782,346.60-1,173,508.02-221,380.56

Finding the Fourth Proportional to 782,346.60, 1,173,508.02 and 221,380.56

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Solution

The fourth proportional to 782,346.60, 1,173,508.02 and 221,380.56 is: 332,067.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,346.60 : 1,173,508.02 = 221,380.56 : x
  2. Step 2: Convert to fraction form
    782,346.60/1,173,508.02 = 221,380.56/x
  3. Step 3: Cross multiply
    782,346.60x = 1,173,508.02 × 221,380.56
  4. Step 4: Simplify right side
    782,346.60x = 259,791,862,632.09
  5. Step 5: Solve for x
    x = 259,791,862,632.09/782,346.60
  6. Step 6: Final answer
    x = 332,067.48

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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.