Home / 765,542.55-1,148,313.83-366,961.80

Finding the Fourth Proportional to 765,542.55, 1,148,313.83 and 366,961.80

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Solution

The fourth proportional to 765,542.55, 1,148,313.83 and 366,961.80 is: 550,442.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,542.55 : 1,148,313.83 = 366,961.80 : x
  2. Step 2: Convert to fraction form
    765,542.55/1,148,313.83 = 366,961.80/x
  3. Step 3: Cross multiply
    765,542.55x = 1,148,313.83 × 366,961.80
  4. Step 4: Simplify right side
    765,542.55x = 421,387,310,021.69
  5. Step 5: Solve for x
    x = 421,387,310,021.69/765,542.55
  6. Step 6: Final answer
    x = 550,442.70

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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.