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Finding the Fourth Proportional to 489,200.70, 733,801.05 and 453,771.30

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Solution

The fourth proportional to 489,200.70, 733,801.05 and 453,771.30 is: 680,656.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,200.70 : 733,801.05 = 453,771.30 : x
  2. Step 2: Convert to fraction form
    489,200.70/733,801.05 = 453,771.30/x
  3. Step 3: Cross multiply
    489,200.70x = 733,801.05 × 453,771.30
  4. Step 4: Simplify right side
    489,200.70x = 332,977,856,399.87
  5. Step 5: Solve for x
    x = 332,977,856,399.87/489,200.70
  6. Step 6: Final answer
    x = 680,656.95

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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.