Home / 421,949.26-582,290.58-230,974.72

Finding the Fourth Proportional to 421,949.26, 582,290.58 and 230,974.72

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Solution

The fourth proportional to 421,949.26, 582,290.58 and 230,974.72 is: 318,745.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,949.26 : 582,290.58 = 230,974.72 : x
  2. Step 2: Convert to fraction form
    421,949.26/582,290.58 = 230,974.72/x
  3. Step 3: Cross multiply
    421,949.26x = 582,290.58 × 230,974.72
  4. Step 4: Simplify right side
    421,949.26x = 134,494,403,674.14
  5. Step 5: Solve for x
    x = 134,494,403,674.14/421,949.26
  6. Step 6: Final answer
    x = 318,745.44

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Double scale
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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.