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Finding the Fourth Proportional to 736.41, 1,011.08 and 717.38

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Solution

The fourth proportional to 736.41, 1,011.08 and 717.38 is: 984.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    736.41 : 1,011.08 = 717.38 : x
  2. Step 2: Convert to fraction form
    736.41/1,011.08 = 717.38/x
  3. Step 3: Cross multiply
    736.41x = 1,011.08 × 717.38
  4. Step 4: Simplify right side
    736.41x = 725,319.93
  5. Step 5: Solve for x
    x = 725,319.93/736.41
  6. Step 6: Final answer
    x = 984.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.