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Finding the Fourth Proportional to 548,693.80, 768,696.20 and 548,693.80

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Solution

The fourth proportional to 548,693.80, 768,696.20 and 548,693.80 is: 768,696.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,693.80 : 768,696.20 = 548,693.80 : x
  2. Step 2: Convert to fraction form
    548,693.80/768,696.20 = 548,693.80/x
  3. Step 3: Cross multiply
    548,693.80x = 768,696.20 × 548,693.80
  4. Step 4: Simplify right side
    548,693.80x = 421,778,839,023.56
  5. Step 5: Solve for x
    x = 421,778,839,023.56/548,693.80
  6. Step 6: Final answer
    x = 768,696.20

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These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.