Home / 1,231.49-1,846.53-500.20

Finding the Fourth Proportional to 1,231.49, 1,846.53 and 500.20

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Solution

The fourth proportional to 1,231.49, 1,846.53 and 500.20 is: 750.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,231.49 : 1,846.53 = 500.20 : x
  2. Step 2: Convert to fraction form
    1,231.49/1,846.53 = 500.20/x
  3. Step 3: Cross multiply
    1,231.49x = 1,846.53 × 500.20
  4. Step 4: Simplify right side
    1,231.49x = 923,634.31
  5. Step 5: Solve for x
    x = 923,634.31/1,231.49
  6. Step 6: Final answer
    x = 750.01

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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.