Home / 814,277.12-1,221,499.60-281,797.28

Finding the Fourth Proportional to 814,277.12, 1,221,499.60 and 281,797.28

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Solution

The fourth proportional to 814,277.12, 1,221,499.60 and 281,797.28 is: 422,724.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,277.12 : 1,221,499.60 = 281,797.28 : x
  2. Step 2: Convert to fraction form
    814,277.12/1,221,499.60 = 281,797.28/x
  3. Step 3: Cross multiply
    814,277.12x = 1,221,499.60 × 281,797.28
  4. Step 4: Simplify right side
    814,277.12x = 344,215,264,801.09
  5. Step 5: Solve for x
    x = 344,215,264,801.09/814,277.12
  6. Step 6: Final answer
    x = 422,724.96

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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.