Home / 712,114.62-1,067,433.78-445,262.34

Finding the Fourth Proportional to 712,114.62, 1,067,433.78 and 445,262.34

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Solution

The fourth proportional to 712,114.62, 1,067,433.78 and 445,262.34 is: 667,431.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,114.62 : 1,067,433.78 = 445,262.34 : x
  2. Step 2: Convert to fraction form
    712,114.62/1,067,433.78 = 445,262.34/x
  3. Step 3: Cross multiply
    712,114.62x = 1,067,433.78 × 445,262.34
  4. Step 4: Simplify right side
    712,114.62x = 475,288,062,677.85
  5. Step 5: Solve for x
    x = 475,288,062,677.85/712,114.62
  6. Step 6: Final answer
    x = 667,431.97

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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.