Home / 712,197.26-1,067,557.71-445,345.28

Finding the Fourth Proportional to 712,197.26, 1,067,557.71 and 445,345.28

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Solution

The fourth proportional to 712,197.26, 1,067,557.71 and 445,345.28 is: 667,556.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,197.26 : 1,067,557.71 = 445,345.28 : x
  2. Step 2: Convert to fraction form
    712,197.26/1,067,557.71 = 445,345.28/x
  3. Step 3: Cross multiply
    712,197.26x = 1,067,557.71 × 445,345.28
  4. Step 4: Simplify right side
    712,197.26x = 475,431,787,276.11
  5. Step 5: Solve for x
    x = 475,431,787,276.11/712,197.26
  6. Step 6: Final answer
    x = 667,556.33

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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.