Home / 627,202.46-865,540.14-340,722.56

Finding the Fourth Proportional to 627,202.46, 865,540.14 and 340,722.56

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Solution

The fourth proportional to 627,202.46, 865,540.14 and 340,722.56 is: 470,197.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,202.46 : 865,540.14 = 340,722.56 : x
  2. Step 2: Convert to fraction form
    627,202.46/865,540.14 = 340,722.56/x
  3. Step 3: Cross multiply
    627,202.46x = 865,540.14 × 340,722.56
  4. Step 4: Simplify right side
    627,202.46x = 294,909,052,283.56
  5. Step 5: Solve for x
    x = 294,909,052,283.56/627,202.46
  6. Step 6: Final answer
    x = 470,197.54

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Why These Related Problems?

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