Home / 722,417.82-1,083,634.94-189,992.68

Finding the Fourth Proportional to 722,417.82, 1,083,634.94 and 189,992.68

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Solution

The fourth proportional to 722,417.82, 1,083,634.94 and 189,992.68 is: 284,991.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,417.82 : 1,083,634.94 = 189,992.68 : x
  2. Step 2: Convert to fraction form
    722,417.82/1,083,634.94 = 189,992.68/x
  3. Step 3: Cross multiply
    722,417.82x = 1,083,634.94 × 189,992.68
  4. Step 4: Simplify right side
    722,417.82x = 205,882,706,392.24
  5. Step 5: Solve for x
    x = 205,882,706,392.24/722,417.82
  6. Step 6: Final answer
    x = 284,991.18

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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.