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Finding the Fourth Proportional to 737.38, 1,099.13 and 713.80

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Solution

The fourth proportional to 737.38, 1,099.13 and 713.80 is: 1,063.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    737.38 : 1,099.13 = 713.80 : x
  2. Step 2: Convert to fraction form
    737.38/1,099.13 = 713.80/x
  3. Step 3: Cross multiply
    737.38x = 1,099.13 × 713.80
  4. Step 4: Simplify right side
    737.38x = 784,558.99
  5. Step 5: Solve for x
    x = 784,558.99/737.38
  6. Step 6: Final answer
    x = 1,063.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.