Home / 769,751.20-1,153,314.60-635,906.80

Finding the Fourth Proportional to 769,751.20, 1,153,314.60 and 635,906.80

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Solution

The fourth proportional to 769,751.20, 1,153,314.60 and 635,906.80 is: 952,776.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,751.20 : 1,153,314.60 = 635,906.80 : x
  2. Step 2: Convert to fraction form
    769,751.20/1,153,314.60 = 635,906.80/x
  3. Step 3: Cross multiply
    769,751.20x = 1,153,314.60 × 635,906.80
  4. Step 4: Simplify right side
    769,751.20x = 733,400,596,679.28
  5. Step 5: Solve for x
    x = 733,400,596,679.28/769,751.20
  6. Step 6: Final answer
    x = 952,776.17

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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.