Home / 787,287.93-1,181,119.29-254,808.91

Finding the Fourth Proportional to 787,287.93, 1,181,119.29 and 254,808.91

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Solution

The fourth proportional to 787,287.93, 1,181,119.29 and 254,808.91 is: 382,274.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,287.93 : 1,181,119.29 = 254,808.91 : x
  2. Step 2: Convert to fraction form
    787,287.93/1,181,119.29 = 254,808.91/x
  3. Step 3: Cross multiply
    787,287.93x = 1,181,119.29 × 254,808.91
  4. Step 4: Simplify right side
    787,287.93x = 300,959,718,864.87
  5. Step 5: Solve for x
    x = 300,959,718,864.87/787,287.93
  6. Step 6: Final answer
    x = 382,274.02

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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.