Home / 422,260.75-582,721.39-228,668.55

Finding the Fourth Proportional to 422,260.75, 582,721.39 and 228,668.55

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Solution

The fourth proportional to 422,260.75, 582,721.39 and 228,668.55 is: 315,563.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,260.75 : 582,721.39 = 228,668.55 : x
  2. Step 2: Convert to fraction form
    422,260.75/582,721.39 = 228,668.55/x
  3. Step 3: Cross multiply
    422,260.75x = 582,721.39 × 228,668.55
  4. Step 4: Simplify right side
    422,260.75x = 133,250,055,305.29
  5. Step 5: Solve for x
    x = 133,250,055,305.29/422,260.75
  6. Step 6: Final answer
    x = 315,563.44

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1.5x scale

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.