Home / 814,474.20-1,221,418.56-281,850.60

Finding the Fourth Proportional to 814,474.20, 1,221,418.56 and 281,850.60

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Solution

The fourth proportional to 814,474.20, 1,221,418.56 and 281,850.60 is: 422,674.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,474.20 : 1,221,418.56 = 281,850.60 : x
  2. Step 2: Convert to fraction form
    814,474.20/1,221,418.56 = 281,850.60/x
  3. Step 3: Cross multiply
    814,474.20x = 1,221,418.56 × 281,850.60
  4. Step 4: Simplify right side
    814,474.20x = 344,257,553,987.14
  5. Step 5: Solve for x
    x = 344,257,553,987.14/814,474.20
  6. Step 6: Final answer
    x = 422,674.60

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1.5x scale

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.