Home / 681,785.02-940,869.88-375,872.63

Finding the Fourth Proportional to 681,785.02, 940,869.88 and 375,872.63

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Solution

The fourth proportional to 681,785.02, 940,869.88 and 375,872.63 is: 518,707.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,785.02 : 940,869.88 = 375,872.63 : x
  2. Step 2: Convert to fraction form
    681,785.02/940,869.88 = 375,872.63/x
  3. Step 3: Cross multiply
    681,785.02x = 940,869.88 × 375,872.63
  4. Step 4: Simplify right side
    681,785.02x = 353,647,233,285.55
  5. Step 5: Solve for x
    x = 353,647,233,285.55/681,785.02
  6. Step 6: Final answer
    x = 518,707.83

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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.