Home / 494,417.30-741,625.95-120,440.30

Finding the Fourth Proportional to 494,417.30, 741,625.95 and 120,440.30

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Solution

The fourth proportional to 494,417.30, 741,625.95 and 120,440.30 is: 180,660.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,417.30 : 741,625.95 = 120,440.30 : x
  2. Step 2: Convert to fraction form
    494,417.30/741,625.95 = 120,440.30/x
  3. Step 3: Cross multiply
    494,417.30x = 741,625.95 × 120,440.30
  4. Step 4: Simplify right side
    494,417.30x = 89,321,651,905.79
  5. Step 5: Solve for x
    x = 89,321,651,905.79/494,417.30
  6. Step 6: Final answer
    x = 180,660.45

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Similar ratio
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1.5x scale

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.