Home / 1,226.84-1,839.18-496.28

Finding the Fourth Proportional to 1,226.84, 1,839.18 and 496.28

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Solution

The fourth proportional to 1,226.84, 1,839.18 and 496.28 is: 743.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226.84 : 1,839.18 = 496.28 : x
  2. Step 2: Convert to fraction form
    1,226.84/1,839.18 = 496.28/x
  3. Step 3: Cross multiply
    1,226.84x = 1,839.18 × 496.28
  4. Step 4: Simplify right side
    1,226.84x = 912,748.25
  5. Step 5: Solve for x
    x = 912,748.25/1,226.84
  6. Step 6: Final answer
    x = 743.98

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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.