Home / 780,179.62-1,170,607.51-275,101.39

Finding the Fourth Proportional to 780,179.62, 1,170,607.51 and 275,101.39

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Solution

The fourth proportional to 780,179.62, 1,170,607.51 and 275,101.39 is: 412,771.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,179.62 : 1,170,607.51 = 275,101.39 : x
  2. Step 2: Convert to fraction form
    780,179.62/1,170,607.51 = 275,101.39/x
  3. Step 3: Cross multiply
    780,179.62x = 1,170,607.51 × 275,101.39
  4. Step 4: Simplify right side
    780,179.62x = 322,035,753,145.44
  5. Step 5: Solve for x
    x = 322,035,753,145.44/780,179.62
  6. Step 6: Final answer
    x = 412,771.30

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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.