Home / 766,978.71-1,150,468.07-234,499.74

Finding the Fourth Proportional to 766,978.71, 1,150,468.07 and 234,499.74

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Solution

The fourth proportional to 766,978.71, 1,150,468.07 and 234,499.74 is: 351,749.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,978.71 : 1,150,468.07 = 234,499.74 : x
  2. Step 2: Convert to fraction form
    766,978.71/1,150,468.07 = 234,499.74/x
  3. Step 3: Cross multiply
    766,978.71x = 1,150,468.07 × 234,499.74
  4. Step 4: Simplify right side
    766,978.71x = 269,784,462,120.80
  5. Step 5: Solve for x
    x = 269,784,462,120.80/766,978.71
  6. Step 6: Final answer
    x = 351,749.61

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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.