Home / 782,251.60-1,079,616.56-565,162.86

Finding the Fourth Proportional to 782,251.60, 1,079,616.56 and 565,162.86

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Solution

The fourth proportional to 782,251.60, 1,079,616.56 and 565,162.86 is: 780,003.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,251.60 : 1,079,616.56 = 565,162.86 : x
  2. Step 2: Convert to fraction form
    782,251.60/1,079,616.56 = 565,162.86/x
  3. Step 3: Cross multiply
    782,251.60x = 1,079,616.56 × 565,162.86
  4. Step 4: Simplify right side
    782,251.60x = 610,159,182,752.96
  5. Step 5: Solve for x
    x = 610,159,182,752.96/782,251.60
  6. Step 6: Final answer
    x = 780,003.75

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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.