Home / 627,125.57-865,449.39-340,662.05

Finding the Fourth Proportional to 627,125.57, 865,449.39 and 340,662.05

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Solution

The fourth proportional to 627,125.57, 865,449.39 and 340,662.05 is: 470,122.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,125.57 : 865,449.39 = 340,662.05 : x
  2. Step 2: Convert to fraction form
    627,125.57/865,449.39 = 340,662.05/x
  3. Step 3: Cross multiply
    627,125.57x = 865,449.39 × 340,662.05
  4. Step 4: Simplify right side
    627,125.57x = 294,825,757,338.09
  5. Step 5: Solve for x
    x = 294,825,757,338.09/627,125.57
  6. Step 6: Final answer
    x = 470,122.37

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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.