Home / 1,027.48-1,418.45-607.95

Finding the Fourth Proportional to 1,027.48, 1,418.45 and 607.95

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Solution

The fourth proportional to 1,027.48, 1,418.45 and 607.95 is: 839.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,027.48 : 1,418.45 = 607.95 : x
  2. Step 2: Convert to fraction form
    1,027.48/1,418.45 = 607.95/x
  3. Step 3: Cross multiply
    1,027.48x = 1,418.45 × 607.95
  4. Step 4: Simplify right side
    1,027.48x = 862,343.64
  5. Step 5: Solve for x
    x = 862,343.64/1,027.48
  6. Step 6: Final answer
    x = 839.28

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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.