Home / 769,843.20-1,154,764.80-533,452.80

Finding the Fourth Proportional to 769,843.20, 1,154,764.80 and 533,452.80

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Solution

The fourth proportional to 769,843.20, 1,154,764.80 and 533,452.80 is: 800,179.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,843.20 : 1,154,764.80 = 533,452.80 : x
  2. Step 2: Convert to fraction form
    769,843.20/1,154,764.80 = 533,452.80/x
  3. Step 3: Cross multiply
    769,843.20x = 1,154,764.80 × 533,452.80
  4. Step 4: Simplify right side
    769,843.20x = 616,012,515,901.44
  5. Step 5: Solve for x
    x = 616,012,515,901.44/769,843.20
  6. Step 6: Final answer
    x = 800,179.20

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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.