Home / 655,734.74-982,912.92-300,456.60

Finding the Fourth Proportional to 655,734.74, 982,912.92 and 300,456.60

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Solution

The fourth proportional to 655,734.74, 982,912.92 and 300,456.60 is: 450,369.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,734.74 : 982,912.92 = 300,456.60 : x
  2. Step 2: Convert to fraction form
    655,734.74/982,912.92 = 300,456.60/x
  3. Step 3: Cross multiply
    655,734.74x = 982,912.92 × 300,456.60
  4. Step 4: Simplify right side
    655,734.74x = 295,322,674,039.27
  5. Step 5: Solve for x
    x = 295,322,674,039.27/655,734.74
  6. Step 6: Final answer
    x = 450,369.11

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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.