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Finding the Fourth Proportional to 736.09, 1,104.89 and 607.43

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Solution

The fourth proportional to 736.09, 1,104.89 and 607.43 is: 911.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    736.09 : 1,104.89 = 607.43 : x
  2. Step 2: Convert to fraction form
    736.09/1,104.89 = 607.43/x
  3. Step 3: Cross multiply
    736.09x = 1,104.89 × 607.43
  4. Step 4: Simplify right side
    736.09x = 671,143.06
  5. Step 5: Solve for x
    x = 671,143.06/736.09
  6. Step 6: Final answer
    x = 911.77

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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.