Home / 489,318.20-733,977.30-329,885.90

Finding the Fourth Proportional to 489,318.20, 733,977.30 and 329,885.90

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Solution

The fourth proportional to 489,318.20, 733,977.30 and 329,885.90 is: 494,828.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,318.20 : 733,977.30 = 329,885.90 : x
  2. Step 2: Convert to fraction form
    489,318.20/733,977.30 = 329,885.90/x
  3. Step 3: Cross multiply
    489,318.20x = 733,977.30 × 329,885.90
  4. Step 4: Simplify right side
    489,318.20x = 242,128,762,190.07
  5. Step 5: Solve for x
    x = 242,128,762,190.07/489,318.20
  6. Step 6: Final answer
    x = 494,828.85

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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.