Home / 1,077.27-1,486.64-605.17

Finding the Fourth Proportional to 1,077.27, 1,486.64 and 605.17

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Solution

The fourth proportional to 1,077.27, 1,486.64 and 605.17 is: 835.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,077.27 : 1,486.64 = 605.17 : x
  2. Step 2: Convert to fraction form
    1,077.27/1,486.64 = 605.17/x
  3. Step 3: Cross multiply
    1,077.27x = 1,486.64 × 605.17
  4. Step 4: Simplify right side
    1,077.27x = 899,666.90
  5. Step 5: Solve for x
    x = 899,666.90/1,077.27
  6. Step 6: Final answer
    x = 835.14

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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.