Home / 1,214.89-1,822.06-484.27

Finding the Fourth Proportional to 1,214.89, 1,822.06 and 484.27

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Solution

The fourth proportional to 1,214.89, 1,822.06 and 484.27 is: 726.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214.89 : 1,822.06 = 484.27 : x
  2. Step 2: Convert to fraction form
    1,214.89/1,822.06 = 484.27/x
  3. Step 3: Cross multiply
    1,214.89x = 1,822.06 × 484.27
  4. Step 4: Simplify right side
    1,214.89x = 882,369.00
  5. Step 5: Solve for x
    x = 882,369.00/1,214.89
  6. Step 6: Final answer
    x = 726.30

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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.