Home / 683,620.80-1,025,610.40-262,910.40

Finding the Fourth Proportional to 683,620.80, 1,025,610.40 and 262,910.40

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Solution

The fourth proportional to 683,620.80, 1,025,610.40 and 262,910.40 is: 394,434.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,620.80 : 1,025,610.40 = 262,910.40 : x
  2. Step 2: Convert to fraction form
    683,620.80/1,025,610.40 = 262,910.40/x
  3. Step 3: Cross multiply
    683,620.80x = 1,025,610.40 × 262,910.40
  4. Step 4: Simplify right side
    683,620.80x = 269,643,640,508.16
  5. Step 5: Solve for x
    x = 269,643,640,508.16/683,620.80
  6. Step 6: Final answer
    x = 394,434.52

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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.