Home / 421,975.28-582,331.44-230,984.56

Finding the Fourth Proportional to 421,975.28, 582,331.44 and 230,984.56

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Solution

The fourth proportional to 421,975.28, 582,331.44 and 230,984.56 is: 318,761.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,975.28 : 582,331.44 = 230,984.56 : x
  2. Step 2: Convert to fraction form
    421,975.28/582,331.44 = 230,984.56/x
  3. Step 3: Cross multiply
    421,975.28x = 582,331.44 × 230,984.56
  4. Step 4: Simplify right side
    421,975.28x = 134,509,571,442.57
  5. Step 5: Solve for x
    x = 134,509,571,442.57/421,975.28
  6. Step 6: Final answer
    x = 318,761.73

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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.