Home / 647,960.80-971,941.20-227,084.80

Finding the Fourth Proportional to 647,960.80, 971,941.20 and 227,084.80

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Solution

The fourth proportional to 647,960.80, 971,941.20 and 227,084.80 is: 340,627.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,960.80 : 971,941.20 = 227,084.80 : x
  2. Step 2: Convert to fraction form
    647,960.80/971,941.20 = 227,084.80/x
  3. Step 3: Cross multiply
    647,960.80x = 971,941.20 × 227,084.80
  4. Step 4: Simplify right side
    647,960.80x = 220,713,073,013.76
  5. Step 5: Solve for x
    x = 220,713,073,013.76/647,960.80
  6. Step 6: Final answer
    x = 340,627.20

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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.