Home / 792,140.70-1,188,211.05-259,533.30

Finding the Fourth Proportional to 792,140.70, 1,188,211.05 and 259,533.30

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Solution

The fourth proportional to 792,140.70, 1,188,211.05 and 259,533.30 is: 389,299.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,140.70 : 1,188,211.05 = 259,533.30 : x
  2. Step 2: Convert to fraction form
    792,140.70/1,188,211.05 = 259,533.30/x
  3. Step 3: Cross multiply
    792,140.70x = 1,188,211.05 × 259,533.30
  4. Step 4: Simplify right side
    792,140.70x = 308,380,334,902.97
  5. Step 5: Solve for x
    x = 308,380,334,902.97/792,140.70
  6. Step 6: Final answer
    x = 389,299.95

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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.