Home / 668,241.09-1,002,859.83-268,885.26

Finding the Fourth Proportional to 668,241.09, 1,002,859.83 and 268,885.26

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Solution

The fourth proportional to 668,241.09, 1,002,859.83 and 268,885.26 is: 403,528.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,241.09 : 1,002,859.83 = 268,885.26 : x
  2. Step 2: Convert to fraction form
    668,241.09/1,002,859.83 = 268,885.26/x
  3. Step 3: Cross multiply
    668,241.09x = 1,002,859.83 × 268,885.26
  4. Step 4: Simplify right side
    668,241.09x = 269,654,226,133.11
  5. Step 5: Solve for x
    x = 269,654,226,133.11/668,241.09
  6. Step 6: Final answer
    x = 403,528.35

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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.