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Finding the Fourth Proportional to 668,797.63, 1,003,229.25 and 269,384.47

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Solution

The fourth proportional to 668,797.63, 1,003,229.25 and 269,384.47 is: 404,089.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,797.63 : 1,003,229.25 = 269,384.47 : x
  2. Step 2: Convert to fraction form
    668,797.63/1,003,229.25 = 269,384.47/x
  3. Step 3: Cross multiply
    668,797.63x = 1,003,229.25 × 269,384.47
  4. Step 4: Simplify right side
    668,797.63x = 270,254,379,799.75
  5. Step 5: Solve for x
    x = 270,254,379,799.75/668,797.63
  6. Step 6: Final answer
    x = 404,089.92

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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.