Home / 422,028.38-582,240.15-276,914.27

Finding the Fourth Proportional to 422,028.38, 582,240.15 and 276,914.27

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Solution

The fourth proportional to 422,028.38, 582,240.15 and 276,914.27 is: 382,037.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,028.38 : 582,240.15 = 276,914.27 : x
  2. Step 2: Convert to fraction form
    422,028.38/582,240.15 = 276,914.27/x
  3. Step 3: Cross multiply
    422,028.38x = 582,240.15 × 276,914.27
  4. Step 4: Simplify right side
    422,028.38x = 161,230,603,190.74
  5. Step 5: Solve for x
    x = 161,230,603,190.74/422,028.38
  6. Step 6: Final answer
    x = 382,037.35

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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.