Home / 816,022.80-1,224,149.40-254,998.80

Finding the Fourth Proportional to 816,022.80, 1,224,149.40 and 254,998.80

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Solution

The fourth proportional to 816,022.80, 1,224,149.40 and 254,998.80 is: 382,534.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,022.80 : 1,224,149.40 = 254,998.80 : x
  2. Step 2: Convert to fraction form
    816,022.80/1,224,149.40 = 254,998.80/x
  3. Step 3: Cross multiply
    816,022.80x = 1,224,149.40 × 254,998.80
  4. Step 4: Simplify right side
    816,022.80x = 312,156,628,020.72
  5. Step 5: Solve for x
    x = 312,156,628,020.72/816,022.80
  6. Step 6: Final answer
    x = 382,534.20

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