Home / 668,300.62-1,002,217.50-268,837.78

Finding the Fourth Proportional to 668,300.62, 1,002,217.50 and 268,837.78

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Solution

The fourth proportional to 668,300.62, 1,002,217.50 and 268,837.78 is: 403,162.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,300.62 : 1,002,217.50 = 268,837.78 : x
  2. Step 2: Convert to fraction form
    668,300.62/1,002,217.50 = 268,837.78/x
  3. Step 3: Cross multiply
    668,300.62x = 1,002,217.50 × 268,837.78
  4. Step 4: Simplify right side
    668,300.62x = 269,433,927,777.15
  5. Step 5: Solve for x
    x = 269,433,927,777.15/668,300.62
  6. Step 6: Final answer
    x = 403,162.77

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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.