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Finding the Fourth Proportional to 545,344.98, 816,380.85 and 331,452.73

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Solution

The fourth proportional to 545,344.98, 816,380.85 and 331,452.73 is: 496,184.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,344.98 : 816,380.85 = 331,452.73 : x
  2. Step 2: Convert to fraction form
    545,344.98/816,380.85 = 331,452.73/x
  3. Step 3: Cross multiply
    545,344.98x = 816,380.85 × 331,452.73
  4. Step 4: Simplify right side
    545,344.98x = 270,591,661,452.22
  5. Step 5: Solve for x
    x = 270,591,661,452.22/545,344.98
  6. Step 6: Final answer
    x = 496,184.38

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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.