Home / 780,842.43-1,171,380.29-248,380.83

Finding the Fourth Proportional to 780,842.43, 1,171,380.29 and 248,380.83

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Solution

The fourth proportional to 780,842.43, 1,171,380.29 and 248,380.83 is: 372,608.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,842.43 : 1,171,380.29 = 248,380.83 : x
  2. Step 2: Convert to fraction form
    780,842.43/1,171,380.29 = 248,380.83/x
  3. Step 3: Cross multiply
    780,842.43x = 1,171,380.29 × 248,380.83
  4. Step 4: Simplify right side
    780,842.43x = 290,948,407,433.94
  5. Step 5: Solve for x
    x = 290,948,407,433.94/780,842.43
  6. Step 6: Final answer
    x = 372,608.35

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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.