Home / 722,249.45-1,083,371.67-216,808.39

Finding the Fourth Proportional to 722,249.45, 1,083,371.67 and 216,808.39

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Solution

The fourth proportional to 722,249.45, 1,083,371.67 and 216,808.39 is: 325,211.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,249.45 : 1,083,371.67 = 216,808.39 : x
  2. Step 2: Convert to fraction form
    722,249.45/1,083,371.67 = 216,808.39/x
  3. Step 3: Cross multiply
    722,249.45x = 1,083,371.67 × 216,808.39
  4. Step 4: Simplify right side
    722,249.45x = 234,884,067,544.31
  5. Step 5: Solve for x
    x = 234,884,067,544.31/722,249.45
  6. Step 6: Final answer
    x = 325,211.83

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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.