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Finding the Fourth Proportional to 668,867.40, 1,003,333.92 and 269,454

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Solution

The fourth proportional to 668,867.40, 1,003,333.92 and 269,454 is: 404,194.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,867.40 : 1,003,333.92 = 269,454 : x
  2. Step 2: Convert to fraction form
    668,867.40/1,003,333.92 = 269,454/x
  3. Step 3: Cross multiply
    668,867.40x = 1,003,333.92 × 269,454
  4. Step 4: Simplify right side
    668,867.40x = 270,352,338,079.68
  5. Step 5: Solve for x
    x = 270,352,338,079.68/668,867.40
  6. Step 6: Final answer
    x = 404,194.22

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.