Home / 668,247.48-1,002,869.40-268,891.68

Finding the Fourth Proportional to 668,247.48, 1,002,869.40 and 268,891.68

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Solution

The fourth proportional to 668,247.48, 1,002,869.40 and 268,891.68 is: 403,537.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,247.48 : 1,002,869.40 = 268,891.68 : x
  2. Step 2: Convert to fraction form
    668,247.48/1,002,869.40 = 268,891.68/x
  3. Step 3: Cross multiply
    668,247.48x = 1,002,869.40 × 268,891.68
  4. Step 4: Simplify right side
    668,247.48x = 269,663,237,786.59
  5. Step 5: Solve for x
    x = 269,663,237,786.59/668,247.48
  6. Step 6: Final answer
    x = 403,537.98

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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.