Home / 1,231.49-1,845.81-500.27

Finding the Fourth Proportional to 1,231.49, 1,845.81 and 500.27

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Solution

The fourth proportional to 1,231.49, 1,845.81 and 500.27 is: 749.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,231.49 : 1,845.81 = 500.27 : x
  2. Step 2: Convert to fraction form
    1,231.49/1,845.81 = 500.27/x
  3. Step 3: Cross multiply
    1,231.49x = 1,845.81 × 500.27
  4. Step 4: Simplify right side
    1,231.49x = 923,394.14
  5. Step 5: Solve for x
    x = 923,394.14/1,231.49
  6. Step 6: Final answer
    x = 749.82

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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.