Home / 701,919-968,648.76-379,628.69

Finding the Fourth Proportional to 701,919, 968,648.76 and 379,628.69

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Solution

The fourth proportional to 701,919, 968,648.76 and 379,628.69 is: 523,887.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    701,919 : 968,648.76 = 379,628.69 : x
  2. Step 2: Convert to fraction form
    701,919/968,648.76 = 379,628.69/x
  3. Step 3: Cross multiply
    701,919x = 968,648.76 × 379,628.69
  4. Step 4: Simplify right side
    701,919x = 367,726,854,985.68
  5. Step 5: Solve for x
    x = 367,726,854,985.68/701,919
  6. Step 6: Final answer
    x = 523,887.88

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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.