Home / 712,077.08-1,067,377.47-445,224.80

Finding the Fourth Proportional to 712,077.08, 1,067,377.47 and 445,224.80

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Solution

The fourth proportional to 712,077.08, 1,067,377.47 and 445,224.80 is: 667,375.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,077.08 : 1,067,377.47 = 445,224.80 : x
  2. Step 2: Convert to fraction form
    712,077.08/1,067,377.47 = 445,224.80/x
  3. Step 3: Cross multiply
    712,077.08x = 1,067,377.47 × 445,224.80
  4. Step 4: Simplify right side
    712,077.08x = 475,222,921,604.11
  5. Step 5: Solve for x
    x = 475,222,921,604.11/712,077.08
  6. Step 6: Final answer
    x = 667,375.68

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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.