Home / 776,664.25-1,165,414.92-327,696.28

Finding the Fourth Proportional to 776,664.25, 1,165,414.92 and 327,696.28

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Solution

The fourth proportional to 776,664.25, 1,165,414.92 and 327,696.28 is: 491,721.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,664.25 : 1,165,414.92 = 327,696.28 : x
  2. Step 2: Convert to fraction form
    776,664.25/1,165,414.92 = 327,696.28/x
  3. Step 3: Cross multiply
    776,664.25x = 1,165,414.92 × 327,696.28
  4. Step 4: Simplify right side
    776,664.25x = 381,902,133,940.50
  5. Step 5: Solve for x
    x = 381,902,133,940.50/776,664.25
  6. Step 6: Final answer
    x = 491,721.02

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1.5x scale

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.