Home / 494,261.49-741,246.91-209,949.78

Finding the Fourth Proportional to 494,261.49, 741,246.91 and 209,949.78

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Solution

The fourth proportional to 494,261.49, 741,246.91 and 209,949.78 is: 314,862.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,261.49 : 741,246.91 = 209,949.78 : x
  2. Step 2: Convert to fraction form
    494,261.49/741,246.91 = 209,949.78/x
  3. Step 3: Cross multiply
    494,261.49x = 741,246.91 × 209,949.78
  4. Step 4: Simplify right side
    494,261.49x = 155,624,625,680.18
  5. Step 5: Solve for x
    x = 155,624,625,680.18/494,261.49
  6. Step 6: Final answer
    x = 314,862.94

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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.