Home / 766,781.73-1,150,684.52-268,145.73

Finding the Fourth Proportional to 766,781.73, 1,150,684.52 and 268,145.73

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Solution

The fourth proportional to 766,781.73, 1,150,684.52 and 268,145.73 is: 402,397.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,781.73 : 1,150,684.52 = 268,145.73 : x
  2. Step 2: Convert to fraction form
    766,781.73/1,150,684.52 = 268,145.73/x
  3. Step 3: Cross multiply
    766,781.73x = 1,150,684.52 × 268,145.73
  4. Step 4: Simplify right side
    766,781.73x = 308,551,139,274.37
  5. Step 5: Solve for x
    x = 308,551,139,274.37/766,781.73
  6. Step 6: Final answer
    x = 402,397.61

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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.