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Finding the Fourth Proportional to 494,498.01, 741,880.16 and 254,481.12

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Solution

The fourth proportional to 494,498.01, 741,880.16 and 254,481.12 is: 381,790.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,498.01 : 741,880.16 = 254,481.12 : x
  2. Step 2: Convert to fraction form
    494,498.01/741,880.16 = 254,481.12/x
  3. Step 3: Cross multiply
    494,498.01x = 741,880.16 × 254,481.12
  4. Step 4: Simplify right side
    494,498.01x = 188,794,492,750.17
  5. Step 5: Solve for x
    x = 188,794,492,750.17/494,498.01
  6. Step 6: Final answer
    x = 381,790.20

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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.