Home / 839,828.45-1,258,996.77-327,375.47

Finding the Fourth Proportional to 839,828.45, 1,258,996.77 and 327,375.47

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Solution

The fourth proportional to 839,828.45, 1,258,996.77 and 327,375.47 is: 490,772.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,828.45 : 1,258,996.77 = 327,375.47 : x
  2. Step 2: Convert to fraction form
    839,828.45/1,258,996.77 = 327,375.47/x
  3. Step 3: Cross multiply
    839,828.45x = 1,258,996.77 × 327,375.47
  4. Step 4: Simplify right side
    839,828.45x = 412,164,662,454.72
  5. Step 5: Solve for x
    x = 412,164,662,454.72/839,828.45
  6. Step 6: Final answer
    x = 490,772.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.