Home / 1,318.00-1,977.33-496.51

Finding the Fourth Proportional to 1,318.00, 1,977.33 and 496.51

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Solution

The fourth proportional to 1,318.00, 1,977.33 and 496.51 is: 744.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,318.00 : 1,977.33 = 496.51 : x
  2. Step 2: Convert to fraction form
    1,318.00/1,977.33 = 496.51/x
  3. Step 3: Cross multiply
    1,318.00x = 1,977.33 × 496.51
  4. Step 4: Simplify right side
    1,318.00x = 981,754.23
  5. Step 5: Solve for x
    x = 981,754.23/1,318.00
  6. Step 6: Final answer
    x = 744.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.