Home / 627,464.03-865,900.49-340,983.41

Finding the Fourth Proportional to 627,464.03, 865,900.49 and 340,983.41

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Solution

The fourth proportional to 627,464.03, 865,900.49 and 340,983.41 is: 470,557.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,464.03 : 865,900.49 = 340,983.41 : x
  2. Step 2: Convert to fraction form
    627,464.03/865,900.49 = 340,983.41/x
  3. Step 3: Cross multiply
    627,464.03x = 865,900.49 × 340,983.41
  4. Step 4: Simplify right side
    627,464.03x = 295,257,695,766.45
  5. Step 5: Solve for x
    x = 295,257,695,766.45/627,464.03
  6. Step 6: Final answer
    x = 470,557.17

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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.