Home / 809,621.92-1,213,949.04-276,965.92

Finding the Fourth Proportional to 809,621.92, 1,213,949.04 and 276,965.92

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Solution

The fourth proportional to 809,621.92, 1,213,949.04 and 276,965.92 is: 415,283.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,621.92 : 1,213,949.04 = 276,965.92 : x
  2. Step 2: Convert to fraction form
    809,621.92/1,213,949.04 = 276,965.92/x
  3. Step 3: Cross multiply
    809,621.92x = 1,213,949.04 × 276,965.92
  4. Step 4: Simplify right side
    809,621.92x = 336,222,512,696.72
  5. Step 5: Solve for x
    x = 336,222,512,696.72/809,621.92
  6. Step 6: Final answer
    x = 415,283.36

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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.