Home / 494,005.80-741,354.30-213,724.20

Finding the Fourth Proportional to 494,005.80, 741,354.30 and 213,724.20

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Solution

The fourth proportional to 494,005.80, 741,354.30 and 213,724.20 is: 320,735.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,005.80 : 741,354.30 = 213,724.20 : x
  2. Step 2: Convert to fraction form
    494,005.80/741,354.30 = 213,724.20/x
  3. Step 3: Cross multiply
    494,005.80x = 741,354.30 × 213,724.20
  4. Step 4: Simplify right side
    494,005.80x = 158,445,354,684.06
  5. Step 5: Solve for x
    x = 158,445,354,684.06/494,005.80
  6. Step 6: Final answer
    x = 320,735.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.