Home / 791,367.55-1,187,034.31-192,332.05

Finding the Fourth Proportional to 791,367.55, 1,187,034.31 and 192,332.05

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Solution

The fourth proportional to 791,367.55, 1,187,034.31 and 192,332.05 is: 288,493.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,367.55 : 1,187,034.31 = 192,332.05 : x
  2. Step 2: Convert to fraction form
    791,367.55/1,187,034.31 = 192,332.05/x
  3. Step 3: Cross multiply
    791,367.55x = 1,187,034.31 × 192,332.05
  4. Step 4: Simplify right side
    791,367.55x = 228,304,742,262.64
  5. Step 5: Solve for x
    x = 228,304,742,262.64/791,367.55
  6. Step 6: Final answer
    x = 288,493.94

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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.