Home / 780,992.46-1,171,664.52-275,589.45

Finding the Fourth Proportional to 780,992.46, 1,171,664.52 and 275,589.45

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Solution

The fourth proportional to 780,992.46, 1,171,664.52 and 275,589.45 is: 413,446.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,992.46 : 1,171,664.52 = 275,589.45 : x
  2. Step 2: Convert to fraction form
    780,992.46/1,171,664.52 = 275,589.45/x
  3. Step 3: Cross multiply
    780,992.46x = 1,171,664.52 × 275,589.45
  4. Step 4: Simplify right side
    780,992.46x = 322,898,380,651.31
  5. Step 5: Solve for x
    x = 322,898,380,651.31/780,992.46
  6. Step 6: Final answer
    x = 413,446.22

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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.