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Finding the Fourth Proportional to 701,451.87, 968,003.37 and 379,161.78

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Solution

The fourth proportional to 701,451.87, 968,003.37 and 379,161.78 is: 523,243.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    701,451.87 : 968,003.37 = 379,161.78 : x
  2. Step 2: Convert to fraction form
    701,451.87/968,003.37 = 379,161.78/x
  3. Step 3: Cross multiply
    701,451.87x = 968,003.37 × 379,161.78
  4. Step 4: Simplify right side
    701,451.87x = 367,029,880,815.20
  5. Step 5: Solve for x
    x = 367,029,880,815.20/701,451.87
  6. Step 6: Final answer
    x = 523,243.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.