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Finding the Fourth Proportional to 1,004.00, 1,503.70 and 729.41

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Solution

The fourth proportional to 1,004.00, 1,503.70 and 729.41 is: 1,092.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,004.00 : 1,503.70 = 729.41 : x
  2. Step 2: Convert to fraction form
    1,004.00/1,503.70 = 729.41/x
  3. Step 3: Cross multiply
    1,004.00x = 1,503.70 × 729.41
  4. Step 4: Simplify right side
    1,004.00x = 1,096,804.47
  5. Step 5: Solve for x
    x = 1,096,804.47/1,004.00
  6. Step 6: Final answer
    x = 1,092.44

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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.