Home / 813,016.14-1,218,193.77-492,195.59

Finding the Fourth Proportional to 813,016.14, 1,218,193.77 and 492,195.59

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Solution

The fourth proportional to 813,016.14, 1,218,193.77 and 492,195.59 is: 737,487.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,016.14 : 1,218,193.77 = 492,195.59 : x
  2. Step 2: Convert to fraction form
    813,016.14/1,218,193.77 = 492,195.59/x
  3. Step 3: Cross multiply
    813,016.14x = 1,218,193.77 × 492,195.59
  4. Step 4: Simplify right side
    813,016.14x = 599,589,595,268.51
  5. Step 5: Solve for x
    x = 599,589,595,268.51/813,016.14
  6. Step 6: Final answer
    x = 737,487.94

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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.