Home / 1,010.06-1,394.24-904.95

Finding the Fourth Proportional to 1,010.06, 1,394.24 and 904.95

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Solution

The fourth proportional to 1,010.06, 1,394.24 and 904.95 is: 1,249.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010.06 : 1,394.24 = 904.95 : x
  2. Step 2: Convert to fraction form
    1,010.06/1,394.24 = 904.95/x
  3. Step 3: Cross multiply
    1,010.06x = 1,394.24 × 904.95
  4. Step 4: Simplify right side
    1,010.06x = 1,261,712.96
  5. Step 5: Solve for x
    x = 1,261,712.96/1,010.06
  6. Step 6: Final answer
    x = 1,249.15

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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.