Home / 766,761.08-1,150,141.43-205,795.58

Finding the Fourth Proportional to 766,761.08, 1,150,141.43 and 205,795.58

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Solution

The fourth proportional to 766,761.08, 1,150,141.43 and 205,795.58 is: 308,693.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,761.08 : 1,150,141.43 = 205,795.58 : x
  2. Step 2: Convert to fraction form
    766,761.08/1,150,141.43 = 205,795.58/x
  3. Step 3: Cross multiply
    766,761.08x = 1,150,141.43 × 205,795.58
  4. Step 4: Simplify right side
    766,761.08x = 236,694,017,432.66
  5. Step 5: Solve for x
    x = 236,694,017,432.66/766,761.08
  6. Step 6: Final answer
    x = 308,693.31

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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.