Home / 535,640.63-739,530.34-331,907.75

Finding the Fourth Proportional to 535,640.63, 739,530.34 and 331,907.75

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Solution

The fourth proportional to 535,640.63, 739,530.34 and 331,907.75 is: 458,247.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,640.63 : 739,530.34 = 331,907.75 : x
  2. Step 2: Convert to fraction form
    535,640.63/739,530.34 = 331,907.75/x
  3. Step 3: Cross multiply
    535,640.63x = 739,530.34 × 331,907.75
  4. Step 4: Simplify right side
    535,640.63x = 245,455,853,469.85
  5. Step 5: Solve for x
    x = 245,455,853,469.85/535,640.63
  6. Step 6: Final answer
    x = 458,247.26

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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.