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Finding the Fourth Proportional to 535,640.26, 739,529.82 and 331,907.38

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Solution

The fourth proportional to 535,640.26, 739,529.82 and 331,907.38 is: 458,246.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,640.26 : 739,529.82 = 331,907.38 : x
  2. Step 2: Convert to fraction form
    535,640.26/739,529.82 = 331,907.38/x
  3. Step 3: Cross multiply
    535,640.26x = 739,529.82 × 331,907.38
  4. Step 4: Simplify right side
    535,640.26x = 245,455,404,383.90
  5. Step 5: Solve for x
    x = 245,455,404,383.90/535,640.26
  6. Step 6: Final answer
    x = 458,246.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.