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Finding the Fourth Proportional to 1,007.22, 1,504.01 and 799.46

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Solution

The fourth proportional to 1,007.22, 1,504.01 and 799.46 is: 1,193.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007.22 : 1,504.01 = 799.46 : x
  2. Step 2: Convert to fraction form
    1,007.22/1,504.01 = 799.46/x
  3. Step 3: Cross multiply
    1,007.22x = 1,504.01 × 799.46
  4. Step 4: Simplify right side
    1,007.22x = 1,202,384.32
  5. Step 5: Solve for x
    x = 1,202,384.32/1,007.22
  6. Step 6: Final answer
    x = 1,193.77

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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.