Home / 421,938.56-582,160.04-240,584.34

Finding the Fourth Proportional to 421,938.56, 582,160.04 and 240,584.34

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Solution

The fourth proportional to 421,938.56, 582,160.04 and 240,584.34 is: 331,940.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,938.56 : 582,160.04 = 240,584.34 : x
  2. Step 2: Convert to fraction form
    421,938.56/582,160.04 = 240,584.34/x
  3. Step 3: Cross multiply
    421,938.56x = 582,160.04 × 240,584.34
  4. Step 4: Simplify right side
    421,938.56x = 140,058,588,997.77
  5. Step 5: Solve for x
    x = 140,058,588,997.77/421,938.56
  6. Step 6: Final answer
    x = 331,940.72

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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.