Home / 1,043.22-1,439.30-601.12

Finding the Fourth Proportional to 1,043.22, 1,439.30 and 601.12

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Solution

The fourth proportional to 1,043.22, 1,439.30 and 601.12 is: 829.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,043.22 : 1,439.30 = 601.12 : x
  2. Step 2: Convert to fraction form
    1,043.22/1,439.30 = 601.12/x
  3. Step 3: Cross multiply
    1,043.22x = 1,439.30 × 601.12
  4. Step 4: Simplify right side
    1,043.22x = 865,185.41
  5. Step 5: Solve for x
    x = 865,185.41/1,043.22
  6. Step 6: Final answer
    x = 829.34

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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.