Home / 804,403.31-1,206,603.95-205,364.57

Finding the Fourth Proportional to 804,403.31, 1,206,603.95 and 205,364.57

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Solution

The fourth proportional to 804,403.31, 1,206,603.95 and 205,364.57 is: 308,046.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,403.31 : 1,206,603.95 = 205,364.57 : x
  2. Step 2: Convert to fraction form
    804,403.31/1,206,603.95 = 205,364.57/x
  3. Step 3: Cross multiply
    804,403.31x = 1,206,603.95 × 205,364.57
  4. Step 4: Simplify right side
    804,403.31x = 247,793,694,292.21
  5. Step 5: Solve for x
    x = 247,793,694,292.21/804,403.31
  6. Step 6: Final answer
    x = 308,046.59

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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.