Home / 747,974.47-1,121,961.71-187,008.97

Finding the Fourth Proportional to 747,974.47, 1,121,961.71 and 187,008.97

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Solution

The fourth proportional to 747,974.47, 1,121,961.71 and 187,008.97 is: 280,513.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,974.47 : 1,121,961.71 = 187,008.97 : x
  2. Step 2: Convert to fraction form
    747,974.47/1,121,961.71 = 187,008.97/x
  3. Step 3: Cross multiply
    747,974.47x = 1,121,961.71 × 187,008.97
  4. Step 4: Simplify right side
    747,974.47x = 209,816,903,766.54
  5. Step 5: Solve for x
    x = 209,816,903,766.54/747,974.47
  6. Step 6: Final answer
    x = 280,513.46

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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.