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Finding the Fourth Proportional to 1,414.82, 1,952.37 and 785.31

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Solution

The fourth proportional to 1,414.82, 1,952.37 and 785.31 is: 1,083.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,414.82 : 1,952.37 = 785.31 : x
  2. Step 2: Convert to fraction form
    1,414.82/1,952.37 = 785.31/x
  3. Step 3: Cross multiply
    1,414.82x = 1,952.37 × 785.31
  4. Step 4: Simplify right side
    1,414.82x = 1,533,218.30
  5. Step 5: Solve for x
    x = 1,533,218.30/1,414.82
  6. Step 6: Final answer
    x = 1,083.68

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.