Home / 780,997.41-1,171,499.05-275,282.35

Finding the Fourth Proportional to 780,997.41, 1,171,499.05 and 275,282.35

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Solution

The fourth proportional to 780,997.41, 1,171,499.05 and 275,282.35 is: 412,924.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,997.41 : 1,171,499.05 = 275,282.35 : x
  2. Step 2: Convert to fraction form
    780,997.41/1,171,499.05 = 275,282.35/x
  3. Step 3: Cross multiply
    780,997.41x = 1,171,499.05 × 275,282.35
  4. Step 4: Simplify right side
    780,997.41x = 322,493,008,922.12
  5. Step 5: Solve for x
    x = 322,493,008,922.12/780,997.41
  6. Step 6: Final answer
    x = 412,924.56

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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.