Home / 654,716.42-982,116.12-205,455.02

Finding the Fourth Proportional to 654,716.42, 982,116.12 and 205,455.02

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Solution

The fourth proportional to 654,716.42, 982,116.12 and 205,455.02 is: 308,195.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,716.42 : 982,116.12 = 205,455.02 : x
  2. Step 2: Convert to fraction form
    654,716.42/982,116.12 = 205,455.02/x
  3. Step 3: Cross multiply
    654,716.42x = 982,116.12 × 205,455.02
  4. Step 4: Simplify right side
    654,716.42x = 201,780,682,936.80
  5. Step 5: Solve for x
    x = 201,780,682,936.80/654,716.42
  6. Step 6: Final answer
    x = 308,195.54

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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.