Home / 668,758.60-1,003,126.29-269,389.17

Finding the Fourth Proportional to 668,758.60, 1,003,126.29 and 269,389.17

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Solution

The fourth proportional to 668,758.60, 1,003,126.29 and 269,389.17 is: 404,079.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,758.60 : 1,003,126.29 = 269,389.17 : x
  2. Step 2: Convert to fraction form
    668,758.60/1,003,126.29 = 269,389.17/x
  3. Step 3: Cross multiply
    668,758.60x = 1,003,126.29 × 269,389.17
  4. Step 4: Simplify right side
    668,758.60x = 270,231,358,668.28
  5. Step 5: Solve for x
    x = 270,231,358,668.28/668,758.60
  6. Step 6: Final answer
    x = 404,079.08

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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.