Home / 780,242.52-1,170,701.82-275,164.41

Finding the Fourth Proportional to 780,242.52, 1,170,701.82 and 275,164.41

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Solution

The fourth proportional to 780,242.52, 1,170,701.82 and 275,164.41 is: 412,865.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,242.52 : 1,170,701.82 = 275,164.41 : x
  2. Step 2: Convert to fraction form
    780,242.52/1,170,701.82 = 275,164.41/x
  3. Step 3: Cross multiply
    780,242.52x = 1,170,701.82 × 275,164.41
  4. Step 4: Simplify right side
    780,242.52x = 322,135,475,586.23
  5. Step 5: Solve for x
    x = 322,135,475,586.23/780,242.52
  6. Step 6: Final answer
    x = 412,865.83

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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.