Home / 740.30-1,110.82-493.67

Finding the Fourth Proportional to 740.30, 1,110.82 and 493.67

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Solution

The fourth proportional to 740.30, 1,110.82 and 493.67 is: 740.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    740.30 : 1,110.82 = 493.67 : x
  2. Step 2: Convert to fraction form
    740.30/1,110.82 = 493.67/x
  3. Step 3: Cross multiply
    740.30x = 1,110.82 × 493.67
  4. Step 4: Simplify right side
    740.30x = 548,371.72
  5. Step 5: Solve for x
    x = 548,371.72/740.30
  6. Step 6: Final answer
    x = 740.75

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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.