Home / 1,224.41-1,836.61-493.98

Finding the Fourth Proportional to 1,224.41, 1,836.61 and 493.98

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Solution

The fourth proportional to 1,224.41, 1,836.61 and 493.98 is: 740.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,224.41 : 1,836.61 = 493.98 : x
  2. Step 2: Convert to fraction form
    1,224.41/1,836.61 = 493.98/x
  3. Step 3: Cross multiply
    1,224.41x = 1,836.61 × 493.98
  4. Step 4: Simplify right side
    1,224.41x = 907,240.49
  5. Step 5: Solve for x
    x = 907,240.49/1,224.41
  6. Step 6: Final answer
    x = 740.96

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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.