Home / 829,360.82-1,244,040.32-260,791.85

Finding the Fourth Proportional to 829,360.82, 1,244,040.32 and 260,791.85

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Solution

The fourth proportional to 829,360.82, 1,244,040.32 and 260,791.85 is: 391,187.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,360.82 : 1,244,040.32 = 260,791.85 : x
  2. Step 2: Convert to fraction form
    829,360.82/1,244,040.32 = 260,791.85/x
  3. Step 3: Cross multiply
    829,360.82x = 1,244,040.32 × 260,791.85
  4. Step 4: Simplify right side
    829,360.82x = 324,435,580,289.47
  5. Step 5: Solve for x
    x = 324,435,580,289.47/829,360.82
  6. Step 6: Final answer
    x = 391,187.49

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Double scale
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1.5x scale

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.