Home / 876,177.60-1,209,139.01-494,211.97

Finding the Fourth Proportional to 876,177.60, 1,209,139.01 and 494,211.97

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Solution

The fourth proportional to 876,177.60, 1,209,139.01 and 494,211.97 is: 682,020.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,177.60 : 1,209,139.01 = 494,211.97 : x
  2. Step 2: Convert to fraction form
    876,177.60/1,209,139.01 = 494,211.97/x
  3. Step 3: Cross multiply
    876,177.60x = 1,209,139.01 × 494,211.97
  4. Step 4: Simplify right side
    876,177.60x = 597,570,972,135.95
  5. Step 5: Solve for x
    x = 597,570,972,135.95/876,177.60
  6. Step 6: Final answer
    x = 682,020.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.