Home / 879,223.20-1,318,650.25-247,989.39

Finding the Fourth Proportional to 879,223.20, 1,318,650.25 and 247,989.39

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Solution

The fourth proportional to 879,223.20, 1,318,650.25 and 247,989.39 is: 371,932.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,223.20 : 1,318,650.25 = 247,989.39 : x
  2. Step 2: Convert to fraction form
    879,223.20/1,318,650.25 = 247,989.39/x
  3. Step 3: Cross multiply
    879,223.20x = 1,318,650.25 × 247,989.39
  4. Step 4: Simplify right side
    879,223.20x = 327,011,271,120.85
  5. Step 5: Solve for x
    x = 327,011,271,120.85/879,223.20
  6. Step 6: Final answer
    x = 371,932.03

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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.