Home / 726,635.68-1,090,027.83-277,734.39

Finding the Fourth Proportional to 726,635.68, 1,090,027.83 and 277,734.39

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Solution

The fourth proportional to 726,635.68, 1,090,027.83 and 277,734.39 is: 416,629.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,635.68 : 1,090,027.83 = 277,734.39 : x
  2. Step 2: Convert to fraction form
    726,635.68/1,090,027.83 = 277,734.39/x
  3. Step 3: Cross multiply
    726,635.68x = 1,090,027.83 × 277,734.39
  4. Step 4: Simplify right side
    726,635.68x = 302,738,211,401.97
  5. Step 5: Solve for x
    x = 302,738,211,401.97/726,635.68
  6. Step 6: Final answer
    x = 416,629.98

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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.