Home / 809,471.88-1,214,171.82-277,040.52

Finding the Fourth Proportional to 809,471.88, 1,214,171.82 and 277,040.52

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Solution

The fourth proportional to 809,471.88, 1,214,171.82 and 277,040.52 is: 415,548.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,471.88 : 1,214,171.82 = 277,040.52 : x
  2. Step 2: Convert to fraction form
    809,471.88/1,214,171.82 = 277,040.52/x
  3. Step 3: Cross multiply
    809,471.88x = 1,214,171.82 × 277,040.52
  4. Step 4: Simplify right side
    809,471.88x = 336,374,792,382.15
  5. Step 5: Solve for x
    x = 336,374,792,382.15/809,471.88
  6. Step 6: Final answer
    x = 415,548.46

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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.