Home / 668,244.47-1,002,864.87-268,888.64

Finding the Fourth Proportional to 668,244.47, 1,002,864.87 and 268,888.64

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Solution

The fourth proportional to 668,244.47, 1,002,864.87 and 268,888.64 is: 403,533.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,244.47 : 1,002,864.87 = 268,888.64 : x
  2. Step 2: Convert to fraction form
    668,244.47/1,002,864.87 = 268,888.64/x
  3. Step 3: Cross multiply
    668,244.47x = 1,002,864.87 × 268,888.64
  4. Step 4: Simplify right side
    668,244.47x = 269,658,965,983.75
  5. Step 5: Solve for x
    x = 269,658,965,983.75/668,244.47
  6. Step 6: Final answer
    x = 403,533.41

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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.