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Finding the Fourth Proportional to 489,228.40, 733,842.60 and 329,796.10

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Solution

The fourth proportional to 489,228.40, 733,842.60 and 329,796.10 is: 494,694.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,228.40 : 733,842.60 = 329,796.10 : x
  2. Step 2: Convert to fraction form
    489,228.40/733,842.60 = 329,796.10/x
  3. Step 3: Cross multiply
    489,228.40x = 733,842.60 × 329,796.10
  4. Step 4: Simplify right side
    489,228.40x = 242,018,427,493.86
  5. Step 5: Solve for x
    x = 242,018,427,493.86/489,228.40
  6. Step 6: Final answer
    x = 494,694.15

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Similar ratio
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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.