Home / 726,789.40-1,090,232.70-247,010.20

Finding the Fourth Proportional to 726,789.40, 1,090,232.70 and 247,010.20

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Solution

The fourth proportional to 726,789.40, 1,090,232.70 and 247,010.20 is: 370,531.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,789.40 : 1,090,232.70 = 247,010.20 : x
  2. Step 2: Convert to fraction form
    726,789.40/1,090,232.70 = 247,010.20/x
  3. Step 3: Cross multiply
    726,789.40x = 1,090,232.70 × 247,010.20
  4. Step 4: Simplify right side
    726,789.40x = 269,298,597,273.54
  5. Step 5: Solve for x
    x = 269,298,597,273.54/726,789.40
  6. Step 6: Final answer
    x = 370,531.82

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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.