Home / 809,620.92-1,213,947.54-276,964.92

Finding the Fourth Proportional to 809,620.92, 1,213,947.54 and 276,964.92

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Solution

The fourth proportional to 809,620.92, 1,213,947.54 and 276,964.92 is: 415,281.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,620.92 : 1,213,947.54 = 276,964.92 : x
  2. Step 2: Convert to fraction form
    809,620.92/1,213,947.54 = 276,964.92/x
  3. Step 3: Cross multiply
    809,620.92x = 1,213,947.54 × 276,964.92
  4. Step 4: Simplify right side
    809,620.92x = 336,220,883,300.30
  5. Step 5: Solve for x
    x = 336,220,883,300.30/809,620.92
  6. Step 6: Final answer
    x = 415,281.86

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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.