Home / 1,028.03-1,418.46-585.91

Finding the Fourth Proportional to 1,028.03, 1,418.46 and 585.91

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Solution

The fourth proportional to 1,028.03, 1,418.46 and 585.91 is: 808.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028.03 : 1,418.46 = 585.91 : x
  2. Step 2: Convert to fraction form
    1,028.03/1,418.46 = 585.91/x
  3. Step 3: Cross multiply
    1,028.03x = 1,418.46 × 585.91
  4. Step 4: Simplify right side
    1,028.03x = 831,089.47
  5. Step 5: Solve for x
    x = 831,089.47/1,028.03
  6. Step 6: Final answer
    x = 808.43

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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.