Home / 555,889.34-834,949.66-331,687.28

Finding the Fourth Proportional to 555,889.34, 834,949.66 and 331,687.28

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Solution

The fourth proportional to 555,889.34, 834,949.66 and 331,687.28 is: 498,196.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,889.34 : 834,949.66 = 331,687.28 : x
  2. Step 2: Convert to fraction form
    555,889.34/834,949.66 = 331,687.28/x
  3. Step 3: Cross multiply
    555,889.34x = 834,949.66 × 331,687.28
  4. Step 4: Simplify right side
    555,889.34x = 276,942,181,662.33
  5. Step 5: Solve for x
    x = 276,942,181,662.33/555,889.34
  6. Step 6: Final answer
    x = 498,196.60

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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.