Home / 791,770.82-1,187,645.11-312,002.79

Finding the Fourth Proportional to 791,770.82, 1,187,645.11 and 312,002.79

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Solution

The fourth proportional to 791,770.82, 1,187,645.11 and 312,002.79 is: 467,999.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,770.82 : 1,187,645.11 = 312,002.79 : x
  2. Step 2: Convert to fraction form
    791,770.82/1,187,645.11 = 312,002.79/x
  3. Step 3: Cross multiply
    791,770.82x = 1,187,645.11 × 312,002.79
  4. Step 4: Simplify right side
    791,770.82x = 370,548,587,849.86
  5. Step 5: Solve for x
    x = 370,548,587,849.86/791,770.82
  6. Step 6: Final answer
    x = 467,999.80

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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.