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Finding the Fourth Proportional to 627,017.94, 940,286.24 and 266,960.51

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Solution

The fourth proportional to 627,017.94, 940,286.24 and 266,960.51 is: 400,338.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,017.94 : 940,286.24 = 266,960.51 : x
  2. Step 2: Convert to fraction form
    627,017.94/940,286.24 = 266,960.51/x
  3. Step 3: Cross multiply
    627,017.94x = 940,286.24 × 266,960.51
  4. Step 4: Simplify right side
    627,017.94x = 251,019,292,841.58
  5. Step 5: Solve for x
    x = 251,019,292,841.58/627,017.94
  6. Step 6: Final answer
    x = 400,338.30

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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.