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Finding the Fourth Proportional to 454,952.60, 682,428.90 and 449,047.70

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Solution

The fourth proportional to 454,952.60, 682,428.90 and 449,047.70 is: 673,571.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,952.60 : 682,428.90 = 449,047.70 : x
  2. Step 2: Convert to fraction form
    454,952.60/682,428.90 = 449,047.70/x
  3. Step 3: Cross multiply
    454,952.60x = 682,428.90 × 449,047.70
  4. Step 4: Simplify right side
    454,952.60x = 306,443,127,958.53
  5. Step 5: Solve for x
    x = 306,443,127,958.53/454,952.60
  6. Step 6: Final answer
    x = 673,571.55

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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.