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Finding the Fourth Proportional to 436,352.88, 654,135.32 and 303,295.76

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Solution

The fourth proportional to 436,352.88, 654,135.32 and 303,295.76 is: 454,669.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,352.88 : 654,135.32 = 303,295.76 : x
  2. Step 2: Convert to fraction form
    436,352.88/654,135.32 = 303,295.76/x
  3. Step 3: Cross multiply
    436,352.88x = 654,135.32 × 303,295.76
  4. Step 4: Simplify right side
    436,352.88x = 198,396,469,022.24
  5. Step 5: Solve for x
    x = 198,396,469,022.24/436,352.88
  6. Step 6: Final answer
    x = 454,669.78

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1.5x scale

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.