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Finding the Fourth Proportional to 452,744.95, 624,651.79 and 271,390.71

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Solution

The fourth proportional to 452,744.95, 624,651.79 and 271,390.71 is: 374,437.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,744.95 : 624,651.79 = 271,390.71 : x
  2. Step 2: Convert to fraction form
    452,744.95/624,651.79 = 271,390.71/x
  3. Step 3: Cross multiply
    452,744.95x = 624,651.79 × 271,390.71
  4. Step 4: Simplify right side
    452,744.95x = 169,524,691,433.92
  5. Step 5: Solve for x
    x = 169,524,691,433.92/452,744.95
  6. Step 6: Final answer
    x = 374,437.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.