Home / 668,245.47-1,002,866.37-268,889.64

Finding the Fourth Proportional to 668,245.47, 1,002,866.37 and 268,889.64

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Solution

The fourth proportional to 668,245.47, 1,002,866.37 and 268,889.64 is: 403,534.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,245.47 : 1,002,866.37 = 268,889.64 : x
  2. Step 2: Convert to fraction form
    668,245.47/1,002,866.37 = 268,889.64/x
  3. Step 3: Cross multiply
    668,245.47x = 1,002,866.37 × 268,889.64
  4. Step 4: Simplify right side
    668,245.47x = 269,660,377,197.41
  5. Step 5: Solve for x
    x = 269,660,377,197.41/668,245.47
  6. Step 6: Final answer
    x = 403,534.91

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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.