Home / 668,758.86-1,003,126.67-269,389.42

Finding the Fourth Proportional to 668,758.86, 1,003,126.67 and 269,389.42

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Solution

The fourth proportional to 668,758.86, 1,003,126.67 and 269,389.42 is: 404,079.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,758.86 : 1,003,126.67 = 269,389.42 : x
  2. Step 2: Convert to fraction form
    668,758.86/1,003,126.67 = 269,389.42/x
  3. Step 3: Cross multiply
    668,758.86x = 1,003,126.67 × 269,389.42
  4. Step 4: Simplify right side
    668,758.86x = 270,231,705,455.25
  5. Step 5: Solve for x
    x = 270,231,705,455.25/668,758.86
  6. Step 6: Final answer
    x = 404,079.44

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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.