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Finding the Fourth Proportional to 668,797.38, 1,003,228.88 and 269,384.22

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Solution

The fourth proportional to 668,797.38, 1,003,228.88 and 269,384.22 is: 404,089.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,797.38 : 1,003,228.88 = 269,384.22 : x
  2. Step 2: Convert to fraction form
    668,797.38/1,003,228.88 = 269,384.22/x
  3. Step 3: Cross multiply
    668,797.38x = 1,003,228.88 × 269,384.22
  4. Step 4: Simplify right side
    668,797.38x = 270,254,029,320.27
  5. Step 5: Solve for x
    x = 270,254,029,320.27/668,797.38
  6. Step 6: Final answer
    x = 404,089.55

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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.