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Finding the Fourth Proportional to 497,680.40, 746,520.60 and 298,614.80

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Solution

The fourth proportional to 497,680.40, 746,520.60 and 298,614.80 is: 447,922.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,680.40 : 746,520.60 = 298,614.80 : x
  2. Step 2: Convert to fraction form
    497,680.40/746,520.60 = 298,614.80/x
  3. Step 3: Cross multiply
    497,680.40x = 746,520.60 × 298,614.80
  4. Step 4: Simplify right side
    497,680.40x = 222,922,099,664.88
  5. Step 5: Solve for x
    x = 222,922,099,664.88/497,680.40
  6. Step 6: Final answer
    x = 447,922.20

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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.