Home / 823,786.60-1,235,564.70-262,877.80

Finding the Fourth Proportional to 823,786.60, 1,235,564.70 and 262,877.80

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Solution

The fourth proportional to 823,786.60, 1,235,564.70 and 262,877.80 is: 394,279.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,786.60 : 1,235,564.70 = 262,877.80 : x
  2. Step 2: Convert to fraction form
    823,786.60/1,235,564.70 = 262,877.80/x
  3. Step 3: Cross multiply
    823,786.60x = 1,235,564.70 × 262,877.80
  4. Step 4: Simplify right side
    823,786.60x = 324,802,530,093.66
  5. Step 5: Solve for x
    x = 324,802,530,093.66/823,786.60
  6. Step 6: Final answer
    x = 394,279.94

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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.