Home / 823,714.60-1,235,456.70-262,805.80

Finding the Fourth Proportional to 823,714.60, 1,235,456.70 and 262,805.80

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Solution

The fourth proportional to 823,714.60, 1,235,456.70 and 262,805.80 is: 394,171.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,714.60 : 1,235,456.70 = 262,805.80 : x
  2. Step 2: Convert to fraction form
    823,714.60/1,235,456.70 = 262,805.80/x
  3. Step 3: Cross multiply
    823,714.60x = 1,235,456.70 × 262,805.80
  4. Step 4: Simplify right side
    823,714.60x = 324,685,186,408.86
  5. Step 5: Solve for x
    x = 324,685,186,408.86/823,714.60
  6. Step 6: Final answer
    x = 394,171.95

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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.