Home / 766,882.80-1,150,324.20-393,634.80

Finding the Fourth Proportional to 766,882.80, 1,150,324.20 and 393,634.80

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Solution

The fourth proportional to 766,882.80, 1,150,324.20 and 393,634.80 is: 590,452.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,882.80 : 1,150,324.20 = 393,634.80 : x
  2. Step 2: Convert to fraction form
    766,882.80/1,150,324.20 = 393,634.80/x
  3. Step 3: Cross multiply
    766,882.80x = 1,150,324.20 × 393,634.80
  4. Step 4: Simplify right side
    766,882.80x = 452,807,636,402.16
  5. Step 5: Solve for x
    x = 452,807,636,402.16/766,882.80
  6. Step 6: Final answer
    x = 590,452.20

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Half scale
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Double scale
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Similar ratio
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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.