Home / 682,405.36-1,022,887.70-255,662.44

Finding the Fourth Proportional to 682,405.36, 1,022,887.70 and 255,662.44

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Solution

The fourth proportional to 682,405.36, 1,022,887.70 and 255,662.44 is: 383,223.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,405.36 : 1,022,887.70 = 255,662.44 : x
  2. Step 2: Convert to fraction form
    682,405.36/1,022,887.70 = 255,662.44/x
  3. Step 3: Cross multiply
    682,405.36x = 1,022,887.70 × 255,662.44
  4. Step 4: Simplify right side
    682,405.36x = 261,513,965,227.99
  5. Step 5: Solve for x
    x = 261,513,965,227.99/682,405.36
  6. Step 6: Final answer
    x = 383,223.79

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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.