Home / 787,321.25-1,181,169.29-254,842.23

Finding the Fourth Proportional to 787,321.25, 1,181,169.29 and 254,842.23

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Solution

The fourth proportional to 787,321.25, 1,181,169.29 and 254,842.23 is: 382,324.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,321.25 : 1,181,169.29 = 254,842.23 : x
  2. Step 2: Convert to fraction form
    787,321.25/1,181,169.29 = 254,842.23/x
  3. Step 3: Cross multiply
    787,321.25x = 1,181,169.29 × 254,842.23
  4. Step 4: Simplify right side
    787,321.25x = 301,011,819,504.12
  5. Step 5: Solve for x
    x = 301,011,819,504.12/787,321.25
  6. Step 6: Final answer
    x = 382,324.01

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1.5x scale

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.