Home / 667,081.35-1,000,809.09-268,002.36

Finding the Fourth Proportional to 667,081.35, 1,000,809.09 and 268,002.36

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Solution

The fourth proportional to 667,081.35, 1,000,809.09 and 268,002.36 is: 402,078.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,081.35 : 1,000,809.09 = 268,002.36 : x
  2. Step 2: Convert to fraction form
    667,081.35/1,000,809.09 = 268,002.36/x
  3. Step 3: Cross multiply
    667,081.35x = 1,000,809.09 × 268,002.36
  4. Step 4: Simplify right side
    667,081.35x = 268,219,198,029.45
  5. Step 5: Solve for x
    x = 268,219,198,029.45/667,081.35
  6. Step 6: Final answer
    x = 402,078.69

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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.