Home / 421,984.46-582,344.98-231,015.62

Finding the Fourth Proportional to 421,984.46, 582,344.98 and 231,015.62

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Solution

The fourth proportional to 421,984.46, 582,344.98 and 231,015.62 is: 318,805.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,984.46 : 582,344.98 = 231,015.62 : x
  2. Step 2: Convert to fraction form
    421,984.46/582,344.98 = 231,015.62/x
  3. Step 3: Cross multiply
    421,984.46x = 582,344.98 × 231,015.62
  4. Step 4: Simplify right side
    421,984.46x = 134,530,786,608.59
  5. Step 5: Solve for x
    x = 134,530,786,608.59/421,984.46
  6. Step 6: Final answer
    x = 318,805.07

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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.