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Finding the Fourth Proportional to 499,517.70, 749,276.55 and 494,268.90

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Solution

The fourth proportional to 499,517.70, 749,276.55 and 494,268.90 is: 741,403.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,517.70 : 749,276.55 = 494,268.90 : x
  2. Step 2: Convert to fraction form
    499,517.70/749,276.55 = 494,268.90/x
  3. Step 3: Cross multiply
    499,517.70x = 749,276.55 × 494,268.90
  4. Step 4: Simplify right side
    499,517.70x = 370,344,096,164.30
  5. Step 5: Solve for x
    x = 370,344,096,164.30/499,517.70
  6. Step 6: Final answer
    x = 741,403.35

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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.