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Finding the Fourth Proportional to 494,237.34, 741,359.97 and 323,602.88

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Solution

The fourth proportional to 494,237.34, 741,359.97 and 323,602.88 is: 485,406.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,237.34 : 741,359.97 = 323,602.88 : x
  2. Step 2: Convert to fraction form
    494,237.34/741,359.97 = 323,602.88/x
  3. Step 3: Cross multiply
    494,237.34x = 741,359.97 × 323,602.88
  4. Step 4: Simplify right side
    494,237.34x = 239,906,217,701.91
  5. Step 5: Solve for x
    x = 239,906,217,701.91/494,237.34
  6. Step 6: Final answer
    x = 485,406.91

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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.