Home / 791,399.96-1,187,089.62-192,359.42

Finding the Fourth Proportional to 791,399.96, 1,187,089.62 and 192,359.42

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Solution

The fourth proportional to 791,399.96, 1,187,089.62 and 192,359.42 is: 288,536.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,399.96 : 1,187,089.62 = 192,359.42 : x
  2. Step 2: Convert to fraction form
    791,399.96/1,187,089.62 = 192,359.42/x
  3. Step 3: Cross multiply
    791,399.96x = 1,187,089.62 × 192,359.42
  4. Step 4: Simplify right side
    791,399.96x = 228,347,870,791.22
  5. Step 5: Solve for x
    x = 228,347,870,791.22/791,399.96
  6. Step 6: Final answer
    x = 288,536.62

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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.