Home / 681,443.32-940,392.04-371,343.80

Finding the Fourth Proportional to 681,443.32, 940,392.04 and 371,343.80

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Solution

The fourth proportional to 681,443.32, 940,392.04 and 371,343.80 is: 512,454.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,443.32 : 940,392.04 = 371,343.80 : x
  2. Step 2: Convert to fraction form
    681,443.32/940,392.04 = 371,343.80/x
  3. Step 3: Cross multiply
    681,443.32x = 940,392.04 × 371,343.80
  4. Step 4: Simplify right side
    681,443.32x = 349,208,753,623.35
  5. Step 5: Solve for x
    x = 349,208,753,623.35/681,443.32
  6. Step 6: Final answer
    x = 512,454.58

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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.