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Finding the Fourth Proportional to 617,213.22, 924,867.27 and 416,747.94

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Solution

The fourth proportional to 617,213.22, 924,867.27 and 416,747.94 is: 624,478.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,213.22 : 924,867.27 = 416,747.94 : x
  2. Step 2: Convert to fraction form
    617,213.22/924,867.27 = 416,747.94/x
  3. Step 3: Cross multiply
    617,213.22x = 924,867.27 × 416,747.94
  4. Step 4: Simplify right side
    617,213.22x = 385,436,529,545.92
  5. Step 5: Solve for x
    x = 385,436,529,545.92/617,213.22
  6. Step 6: Final answer
    x = 624,478.73

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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.