Home / 1,112.06-1,534.66-614.73

Finding the Fourth Proportional to 1,112.06, 1,534.66 and 614.73

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Solution

The fourth proportional to 1,112.06, 1,534.66 and 614.73 is: 848.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112.06 : 1,534.66 = 614.73 : x
  2. Step 2: Convert to fraction form
    1,112.06/1,534.66 = 614.73/x
  3. Step 3: Cross multiply
    1,112.06x = 1,534.66 × 614.73
  4. Step 4: Simplify right side
    1,112.06x = 943,405.76
  5. Step 5: Solve for x
    x = 943,405.76/1,112.06
  6. Step 6: Final answer
    x = 848.34

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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.