Home / 879,223.20-1,318,650.24-247,989.40

Finding the Fourth Proportional to 879,223.20, 1,318,650.24 and 247,989.40

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Solution

The fourth proportional to 879,223.20, 1,318,650.24 and 247,989.40 is: 371,932.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,223.20 : 1,318,650.24 = 247,989.40 : x
  2. Step 2: Convert to fraction form
    879,223.20/1,318,650.24 = 247,989.40/x
  3. Step 3: Cross multiply
    879,223.20x = 1,318,650.24 × 247,989.40
  4. Step 4: Simplify right side
    879,223.20x = 327,011,281,827.46
  5. Step 5: Solve for x
    x = 327,011,281,827.46/879,223.20
  6. Step 6: Final answer
    x = 371,932.04

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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.