Home / 1,077.36-1,486.70-605.27

Finding the Fourth Proportional to 1,077.36, 1,486.70 and 605.27

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Solution

The fourth proportional to 1,077.36, 1,486.70 and 605.27 is: 835.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,077.36 : 1,486.70 = 605.27 : x
  2. Step 2: Convert to fraction form
    1,077.36/1,486.70 = 605.27/x
  3. Step 3: Cross multiply
    1,077.36x = 1,486.70 × 605.27
  4. Step 4: Simplify right side
    1,077.36x = 899,855.12
  5. Step 5: Solve for x
    x = 899,855.12/1,077.36
  6. Step 6: Final answer
    x = 835.24

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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.