Home / 809,467.56-1,212,872.16-276,697.80

Finding the Fourth Proportional to 809,467.56, 1,212,872.16 and 276,697.80

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Solution

The fourth proportional to 809,467.56, 1,212,872.16 and 276,697.80 is: 414,592.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,467.56 : 1,212,872.16 = 276,697.80 : x
  2. Step 2: Convert to fraction form
    809,467.56/1,212,872.16 = 276,697.80/x
  3. Step 3: Cross multiply
    809,467.56x = 1,212,872.16 × 276,697.80
  4. Step 4: Simplify right side
    809,467.56x = 335,599,058,353.25
  5. Step 5: Solve for x
    x = 335,599,058,353.25/809,467.56
  6. Step 6: Final answer
    x = 414,592.35

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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.