Home / 780,713.88-1,170,166.98-359,104.92

Finding the Fourth Proportional to 780,713.88, 1,170,166.98 and 359,104.92

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Solution

The fourth proportional to 780,713.88, 1,170,166.98 and 359,104.92 is: 538,241.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,713.88 : 1,170,166.98 = 359,104.92 : x
  2. Step 2: Convert to fraction form
    780,713.88/1,170,166.98 = 359,104.92/x
  3. Step 3: Cross multiply
    780,713.88x = 1,170,166.98 × 359,104.92
  4. Step 4: Simplify right side
    780,713.88x = 420,212,719,739.54
  5. Step 5: Solve for x
    x = 420,212,719,739.54/780,713.88
  6. Step 6: Final answer
    x = 538,241.64

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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.