Home / 863,202.20-1,294,992.96-264,209.54

Finding the Fourth Proportional to 863,202.20, 1,294,992.96 and 264,209.54

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Solution

The fourth proportional to 863,202.20, 1,294,992.96 and 264,209.54 is: 396,372.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,202.20 : 1,294,992.96 = 264,209.54 : x
  2. Step 2: Convert to fraction form
    863,202.20/1,294,992.96 = 264,209.54/x
  3. Step 3: Cross multiply
    863,202.20x = 1,294,992.96 × 264,209.54
  4. Step 4: Simplify right side
    863,202.20x = 342,149,494,264.84
  5. Step 5: Solve for x
    x = 342,149,494,264.84/863,202.20
  6. Step 6: Final answer
    x = 396,372.36

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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.