Home / 769,546.20-1,153,007.10-635,701.80

Finding the Fourth Proportional to 769,546.20, 1,153,007.10 and 635,701.80

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Solution

The fourth proportional to 769,546.20, 1,153,007.10 and 635,701.80 is: 952,468.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,546.20 : 1,153,007.10 = 635,701.80 : x
  2. Step 2: Convert to fraction form
    769,546.20/1,153,007.10 = 635,701.80/x
  3. Step 3: Cross multiply
    769,546.20x = 1,153,007.10 × 635,701.80
  4. Step 4: Simplify right side
    769,546.20x = 732,968,688,882.78
  5. Step 5: Solve for x
    x = 732,968,688,882.78/769,546.20
  6. Step 6: Final answer
    x = 952,468.73

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1.5x scale

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.