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Finding the Fourth Proportional to 499,522.80, 748,846.80 and 299,922.60

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Solution

The fourth proportional to 499,522.80, 748,846.80 and 299,922.60 is: 449,621.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,522.80 : 748,846.80 = 299,922.60 : x
  2. Step 2: Convert to fraction form
    499,522.80/748,846.80 = 299,922.60/x
  3. Step 3: Cross multiply
    499,522.80x = 748,846.80 × 299,922.60
  4. Step 4: Simplify right side
    499,522.80x = 224,596,079,257.68
  5. Step 5: Solve for x
    x = 224,596,079,257.68/499,522.80
  6. Step 6: Final answer
    x = 449,621.28

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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.