Home / 654,715.94-982,115.42-205,454.54

Finding the Fourth Proportional to 654,715.94, 982,115.42 and 205,454.54

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Solution

The fourth proportional to 654,715.94, 982,115.42 and 205,454.54 is: 308,194.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,715.94 : 982,115.42 = 205,454.54 : x
  2. Step 2: Convert to fraction form
    654,715.94/982,115.42 = 205,454.54/x
  3. Step 3: Cross multiply
    654,715.94x = 982,115.42 × 205,454.54
  4. Step 4: Simplify right side
    654,715.94x = 201,780,071,843.01
  5. Step 5: Solve for x
    x = 201,780,071,843.01/654,715.94
  6. Step 6: Final answer
    x = 308,194.84

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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.