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Finding the Fourth Proportional to 494,889.76, 742,265.52 and 210,694.24

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Solution

The fourth proportional to 494,889.76, 742,265.52 and 210,694.24 is: 316,011.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,889.76 : 742,265.52 = 210,694.24 : x
  2. Step 2: Convert to fraction form
    494,889.76/742,265.52 = 210,694.24/x
  3. Step 3: Cross multiply
    494,889.76x = 742,265.52 × 210,694.24
  4. Step 4: Simplify right side
    494,889.76x = 156,391,069,614.61
  5. Step 5: Solve for x
    x = 156,391,069,614.61/494,889.76
  6. Step 6: Final answer
    x = 316,011.93

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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.