Home / 1,033.04-1,425.44-660.35

Finding the Fourth Proportional to 1,033.04, 1,425.44 and 660.35

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Solution

The fourth proportional to 1,033.04, 1,425.44 and 660.35 is: 911.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,033.04 : 1,425.44 = 660.35 : x
  2. Step 2: Convert to fraction form
    1,033.04/1,425.44 = 660.35/x
  3. Step 3: Cross multiply
    1,033.04x = 1,425.44 × 660.35
  4. Step 4: Simplify right side
    1,033.04x = 941,286.00
  5. Step 5: Solve for x
    x = 941,286.00/1,033.04
  6. Step 6: Final answer
    x = 911.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.