Home / 627,462.82-865,897.95-340,982.26

Finding the Fourth Proportional to 627,462.82, 865,897.95 and 340,982.26

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Solution

The fourth proportional to 627,462.82, 865,897.95 and 340,982.26 is: 470,555.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,462.82 : 865,897.95 = 340,982.26 : x
  2. Step 2: Convert to fraction form
    627,462.82/865,897.95 = 340,982.26/x
  3. Step 3: Cross multiply
    627,462.82x = 865,897.95 × 340,982.26
  4. Step 4: Simplify right side
    627,462.82x = 295,255,839,920.37
  5. Step 5: Solve for x
    x = 295,255,839,920.37/627,462.82
  6. Step 6: Final answer
    x = 470,555.12

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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.