Home / 668,663.40-1,003,244.78-269,417.44

Finding the Fourth Proportional to 668,663.40, 1,003,244.78 and 269,417.44

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Solution

The fourth proportional to 668,663.40, 1,003,244.78 and 269,417.44 is: 404,226.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,663.40 : 1,003,244.78 = 269,417.44 : x
  2. Step 2: Convert to fraction form
    668,663.40/1,003,244.78 = 269,417.44/x
  3. Step 3: Cross multiply
    668,663.40x = 1,003,244.78 × 269,417.44
  4. Step 4: Simplify right side
    668,663.40x = 270,291,635,304.74
  5. Step 5: Solve for x
    x = 270,291,635,304.74/668,663.40
  6. Step 6: Final answer
    x = 404,226.75

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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.