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Finding the Fourth Proportional to 489,095.20, 733,642.80 and 329,662.90

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Solution

The fourth proportional to 489,095.20, 733,642.80 and 329,662.90 is: 494,494.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,095.20 : 733,642.80 = 329,662.90 : x
  2. Step 2: Convert to fraction form
    489,095.20/733,642.80 = 329,662.90/x
  3. Step 3: Cross multiply
    489,095.20x = 733,642.80 × 329,662.90
  4. Step 4: Simplify right side
    489,095.20x = 241,854,813,012.12
  5. Step 5: Solve for x
    x = 241,854,813,012.12/489,095.20
  6. Step 6: Final answer
    x = 494,494.35

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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.