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Finding the Fourth Proportional to 682,110.87, 941,379.54 and 509,729.49

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Solution

The fourth proportional to 682,110.87, 941,379.54 and 509,729.49 is: 703,476.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,110.87 : 941,379.54 = 509,729.49 : x
  2. Step 2: Convert to fraction form
    682,110.87/941,379.54 = 509,729.49/x
  3. Step 3: Cross multiply
    682,110.87x = 941,379.54 × 509,729.49
  4. Step 4: Simplify right side
    682,110.87x = 479,848,912,820.64
  5. Step 5: Solve for x
    x = 479,848,912,820.64/682,110.87
  6. Step 6: Final answer
    x = 703,476.42

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.