Home / 791,396.97-1,187,085.12-192,356.43

Finding the Fourth Proportional to 791,396.97, 1,187,085.12 and 192,356.43

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Solution

The fourth proportional to 791,396.97, 1,187,085.12 and 192,356.43 is: 288,532.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,396.97 : 1,187,085.12 = 192,356.43 : x
  2. Step 2: Convert to fraction form
    791,396.97/1,187,085.12 = 192,356.43/x
  3. Step 3: Cross multiply
    791,396.97x = 1,187,085.12 × 192,356.43
  4. Step 4: Simplify right side
    791,396.97x = 228,343,455,789.32
  5. Step 5: Solve for x
    x = 228,343,455,789.32/791,396.97
  6. Step 6: Final answer
    x = 288,532.13

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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.