Home / 791,429.67-1,187,135.74-192,391.40

Finding the Fourth Proportional to 791,429.67, 1,187,135.74 and 192,391.40

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Solution

The fourth proportional to 791,429.67, 1,187,135.74 and 192,391.40 is: 288,584.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,429.67 : 1,187,135.74 = 192,391.40 : x
  2. Step 2: Convert to fraction form
    791,429.67/1,187,135.74 = 192,391.40/x
  3. Step 3: Cross multiply
    791,429.67x = 1,187,135.74 × 192,391.40
  4. Step 4: Simplify right side
    791,429.67x = 228,394,707,008.64
  5. Step 5: Solve for x
    x = 228,394,707,008.64/791,429.67
  6. Step 6: Final answer
    x = 288,584.97

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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.