Home / 1,110.04-1,664.55-493.43

Finding the Fourth Proportional to 1,110.04, 1,664.55 and 493.43

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Solution

The fourth proportional to 1,110.04, 1,664.55 and 493.43 is: 739.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,110.04 : 1,664.55 = 493.43 : x
  2. Step 2: Convert to fraction form
    1,110.04/1,664.55 = 493.43/x
  3. Step 3: Cross multiply
    1,110.04x = 1,664.55 × 493.43
  4. Step 4: Simplify right side
    1,110.04x = 821,330.58
  5. Step 5: Solve for x
    x = 821,330.58/1,110.04
  6. Step 6: Final answer
    x = 739.91

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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.