Home / 766,332.80-1,149,499.20-293,033.60

Finding the Fourth Proportional to 766,332.80, 1,149,499.20 and 293,033.60

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Solution

The fourth proportional to 766,332.80, 1,149,499.20 and 293,033.60 is: 439,550.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,332.80 : 1,149,499.20 = 293,033.60 : x
  2. Step 2: Convert to fraction form
    766,332.80/1,149,499.20 = 293,033.60/x
  3. Step 3: Cross multiply
    766,332.80x = 1,149,499.20 × 293,033.60
  4. Step 4: Simplify right side
    766,332.80x = 336,841,888,773.12
  5. Step 5: Solve for x
    x = 336,841,888,773.12/766,332.80
  6. Step 6: Final answer
    x = 439,550.40

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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.