Home / 494,827.88-742,342.78-210,517.96

Finding the Fourth Proportional to 494,827.88, 742,342.78 and 210,517.96

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Solution

The fourth proportional to 494,827.88, 742,342.78 and 210,517.96 is: 315,819.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,827.88 : 742,342.78 = 210,517.96 : x
  2. Step 2: Convert to fraction form
    494,827.88/742,342.78 = 210,517.96/x
  3. Step 3: Cross multiply
    494,827.88x = 742,342.78 × 210,517.96
  4. Step 4: Simplify right side
    494,827.88x = 156,276,487,666.33
  5. Step 5: Solve for x
    x = 156,276,487,666.33/494,827.88
  6. Step 6: Final answer
    x = 315,819.89

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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.