Home / 668,664.40-1,003,246.28-269,418.44

Finding the Fourth Proportional to 668,664.40, 1,003,246.28 and 269,418.44

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Solution

The fourth proportional to 668,664.40, 1,003,246.28 and 269,418.44 is: 404,228.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,664.40 : 1,003,246.28 = 269,418.44 : x
  2. Step 2: Convert to fraction form
    668,664.40/1,003,246.28 = 269,418.44/x
  3. Step 3: Cross multiply
    668,664.40x = 1,003,246.28 × 269,418.44
  4. Step 4: Simplify right side
    668,664.40x = 270,293,042,677.17
  5. Step 5: Solve for x
    x = 270,293,042,677.17/668,664.40
  6. Step 6: Final answer
    x = 404,228.25

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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.