Home / 445,265.96-666,791.04-311,520.04

Finding the Fourth Proportional to 445,265.96, 666,791.04 and 311,520.04

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Solution

The fourth proportional to 445,265.96, 666,791.04 and 311,520.04 is: 466,504.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,265.96 : 666,791.04 = 311,520.04 : x
  2. Step 2: Convert to fraction form
    445,265.96/666,791.04 = 311,520.04/x
  3. Step 3: Cross multiply
    445,265.96x = 666,791.04 × 311,520.04
  4. Step 4: Simplify right side
    445,265.96x = 207,718,771,452.44
  5. Step 5: Solve for x
    x = 207,718,771,452.44/445,265.96
  6. Step 6: Final answer
    x = 466,504.94

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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.