Home / 814,494.48-1,222,218-341,140.20

Finding the Fourth Proportional to 814,494.48, 1,222,218 and 341,140.20

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Solution

The fourth proportional to 814,494.48, 1,222,218 and 341,140.20 is: 511,909.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,494.48 : 1,222,218 = 341,140.20 : x
  2. Step 2: Convert to fraction form
    814,494.48/1,222,218 = 341,140.20/x
  3. Step 3: Cross multiply
    814,494.48x = 1,222,218 × 341,140.20
  4. Step 4: Simplify right side
    814,494.48x = 416,947,692,963.60
  5. Step 5: Solve for x
    x = 416,947,692,963.60/814,494.48
  6. Step 6: Final answer
    x = 511,909.78

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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.