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Finding the Fourth Proportional to 701,902.66, 968,625.68 and 379,612.76

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Solution

The fourth proportional to 701,902.66, 968,625.68 and 379,612.76 is: 523,865.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    701,902.66 : 968,625.68 = 379,612.76 : x
  2. Step 2: Convert to fraction form
    701,902.66/968,625.68 = 379,612.76/x
  3. Step 3: Cross multiply
    701,902.66x = 968,625.68 × 379,612.76
  4. Step 4: Simplify right side
    701,902.66x = 367,702,667,791.68
  5. Step 5: Solve for x
    x = 367,702,667,791.68/701,902.66
  6. Step 6: Final answer
    x = 523,865.61

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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.