Home / 804,413.94-1,206,619.85-205,375.20

Finding the Fourth Proportional to 804,413.94, 1,206,619.85 and 205,375.20

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Solution

The fourth proportional to 804,413.94, 1,206,619.85 and 205,375.20 is: 308,062.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,413.94 : 1,206,619.85 = 205,375.20 : x
  2. Step 2: Convert to fraction form
    804,413.94/1,206,619.85 = 205,375.20/x
  3. Step 3: Cross multiply
    804,413.94x = 1,206,619.85 × 205,375.20
  4. Step 4: Simplify right side
    804,413.94x = 247,809,791,990.84
  5. Step 5: Solve for x
    x = 247,809,791,990.84/804,413.94
  6. Step 6: Final answer
    x = 308,062.53

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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.