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Finding the Fourth Proportional to 744.41, 1,116.89 and 498.62

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Solution

The fourth proportional to 744.41, 1,116.89 and 498.62 is: 748.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    744.41 : 1,116.89 = 498.62 : x
  2. Step 2: Convert to fraction form
    744.41/1,116.89 = 498.62/x
  3. Step 3: Cross multiply
    744.41x = 1,116.89 × 498.62
  4. Step 4: Simplify right side
    744.41x = 556,903.69
  5. Step 5: Solve for x
    x = 556,903.69/744.41
  6. Step 6: Final answer
    x = 748.11

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Double scale
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1.5x scale

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.