Home / 754,481.47-1,131,722.50-185,873.63

Finding the Fourth Proportional to 754,481.47, 1,131,722.50 and 185,873.63

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Solution

The fourth proportional to 754,481.47, 1,131,722.50 and 185,873.63 is: 278,810.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,481.47 : 1,131,722.50 = 185,873.63 : x
  2. Step 2: Convert to fraction form
    754,481.47/1,131,722.50 = 185,873.63/x
  3. Step 3: Cross multiply
    754,481.47x = 1,131,722.50 × 185,873.63
  4. Step 4: Simplify right side
    754,481.47x = 210,357,369,227.68
  5. Step 5: Solve for x
    x = 210,357,369,227.68/754,481.47
  6. Step 6: Final answer
    x = 278,810.52

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Double scale
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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.