Home / 703,129.25-1,054,694.39-170,650.78

Finding the Fourth Proportional to 703,129.25, 1,054,694.39 and 170,650.78

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Solution

The fourth proportional to 703,129.25, 1,054,694.39 and 170,650.78 is: 255,976.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,129.25 : 1,054,694.39 = 170,650.78 : x
  2. Step 2: Convert to fraction form
    703,129.25/1,054,694.39 = 170,650.78/x
  3. Step 3: Cross multiply
    703,129.25x = 1,054,694.39 × 170,650.78
  4. Step 4: Simplify right side
    703,129.25x = 179,984,416,825.13
  5. Step 5: Solve for x
    x = 179,984,416,825.13/703,129.25
  6. Step 6: Final answer
    x = 255,976.29

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Similar ratio
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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.