Home / 1,028.07-1,418.75-562.32

Finding the Fourth Proportional to 1,028.07, 1,418.75 and 562.32

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Solution

The fourth proportional to 1,028.07, 1,418.75 and 562.32 is: 776.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028.07 : 1,418.75 = 562.32 : x
  2. Step 2: Convert to fraction form
    1,028.07/1,418.75 = 562.32/x
  3. Step 3: Cross multiply
    1,028.07x = 1,418.75 × 562.32
  4. Step 4: Simplify right side
    1,028.07x = 797,791.50
  5. Step 5: Solve for x
    x = 797,791.50/1,028.07
  6. Step 6: Final answer
    x = 776.01

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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.