Home / 701,731.88-968,389.31-379,441.20

Finding the Fourth Proportional to 701,731.88, 968,389.31 and 379,441.20

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Solution

The fourth proportional to 701,731.88, 968,389.31 and 379,441.20 is: 523,628.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    701,731.88 : 968,389.31 = 379,441.20 : x
  2. Step 2: Convert to fraction form
    701,731.88/968,389.31 = 379,441.20/x
  3. Step 3: Cross multiply
    701,731.88x = 968,389.31 × 379,441.20
  4. Step 4: Simplify right side
    701,731.88x = 367,446,799,956.37
  5. Step 5: Solve for x
    x = 367,446,799,956.37/701,731.88
  6. Step 6: Final answer
    x = 523,628.49

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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.