Home / 681,479.88-1,022,223.60-281,904.18

Finding the Fourth Proportional to 681,479.88, 1,022,223.60 and 281,904.18

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Solution

The fourth proportional to 681,479.88, 1,022,223.60 and 281,904.18 is: 422,857.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,479.88 : 1,022,223.60 = 281,904.18 : x
  2. Step 2: Convert to fraction form
    681,479.88/1,022,223.60 = 281,904.18/x
  3. Step 3: Cross multiply
    681,479.88x = 1,022,223.60 × 281,904.18
  4. Step 4: Simplify right side
    681,479.88x = 288,169,105,734.65
  5. Step 5: Solve for x
    x = 288,169,105,734.65/681,479.88
  6. Step 6: Final answer
    x = 422,857.83

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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.