Home / 455,540.20-683,925.90-266,194.60

Finding the Fourth Proportional to 455,540.20, 683,925.90 and 266,194.60

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Solution

The fourth proportional to 455,540.20, 683,925.90 and 266,194.60 is: 399,651.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,540.20 : 683,925.90 = 266,194.60 : x
  2. Step 2: Convert to fraction form
    455,540.20/683,925.90 = 266,194.60/x
  3. Step 3: Cross multiply
    455,540.20x = 683,925.90 × 266,194.60
  4. Step 4: Simplify right side
    455,540.20x = 182,057,381,380.14
  5. Step 5: Solve for x
    x = 182,057,381,380.14/455,540.20
  6. Step 6: Final answer
    x = 399,651.63

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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.