Home / 778,405.60-1,167,997.20-441,704.80

Finding the Fourth Proportional to 778,405.60, 1,167,997.20 and 441,704.80

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Solution

The fourth proportional to 778,405.60, 1,167,997.20 and 441,704.80 is: 662,777.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,405.60 : 1,167,997.20 = 441,704.80 : x
  2. Step 2: Convert to fraction form
    778,405.60/1,167,997.20 = 441,704.80/x
  3. Step 3: Cross multiply
    778,405.60x = 1,167,997.20 × 441,704.80
  4. Step 4: Simplify right side
    778,405.60x = 515,909,969,626.56
  5. Step 5: Solve for x
    x = 515,909,969,626.56/778,405.60
  6. Step 6: Final answer
    x = 662,777.82

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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.