Home / 780,203.25-1,170,642.92-275,125.01

Finding the Fourth Proportional to 780,203.25, 1,170,642.92 and 275,125.01

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Solution

The fourth proportional to 780,203.25, 1,170,642.92 and 275,125.01 is: 412,806.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,203.25 : 1,170,642.92 = 275,125.01 : x
  2. Step 2: Convert to fraction form
    780,203.25/1,170,642.92 = 275,125.01/x
  3. Step 3: Cross multiply
    780,203.25x = 1,170,642.92 × 275,125.01
  4. Step 4: Simplify right side
    780,203.25x = 322,073,137,842.59
  5. Step 5: Solve for x
    x = 322,073,137,842.59/780,203.25
  6. Step 6: Final answer
    x = 412,806.71

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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.