Home / 739,927.26-1,109,891.46-178,961.76

Finding the Fourth Proportional to 739,927.26, 1,109,891.46 and 178,961.76

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Solution

The fourth proportional to 739,927.26, 1,109,891.46 and 178,961.76 is: 268,442.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,927.26 : 1,109,891.46 = 178,961.76 : x
  2. Step 2: Convert to fraction form
    739,927.26/1,109,891.46 = 178,961.76/x
  3. Step 3: Cross multiply
    739,927.26x = 1,109,891.46 × 178,961.76
  4. Step 4: Simplify right side
    739,927.26x = 198,628,129,090.57
  5. Step 5: Solve for x
    x = 198,628,129,090.57/739,927.26
  6. Step 6: Final answer
    x = 268,442.78

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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.