Home / 1,025.44-1,414.63-605.79

Finding the Fourth Proportional to 1,025.44, 1,414.63 and 605.79

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Solution

The fourth proportional to 1,025.44, 1,414.63 and 605.79 is: 835.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,025.44 : 1,414.63 = 605.79 : x
  2. Step 2: Convert to fraction form
    1,025.44/1,414.63 = 605.79/x
  3. Step 3: Cross multiply
    1,025.44x = 1,414.63 × 605.79
  4. Step 4: Simplify right side
    1,025.44x = 856,968.71
  5. Step 5: Solve for x
    x = 856,968.71/1,025.44
  6. Step 6: Final answer
    x = 835.71

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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.