Home / 667,962.20-1,001,943.30-616,640.60

Finding the Fourth Proportional to 667,962.20, 1,001,943.30 and 616,640.60

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Solution

The fourth proportional to 667,962.20, 1,001,943.30 and 616,640.60 is: 924,960.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,962.20 : 1,001,943.30 = 616,640.60 : x
  2. Step 2: Convert to fraction form
    667,962.20/1,001,943.30 = 616,640.60/x
  3. Step 3: Cross multiply
    667,962.20x = 1,001,943.30 × 616,640.60
  4. Step 4: Simplify right side
    667,962.20x = 617,838,917,677.98
  5. Step 5: Solve for x
    x = 617,838,917,677.98/667,962.20
  6. Step 6: Final answer
    x = 924,960.90

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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.