Home / 627,212.14-865,553.78-340,732.46

Finding the Fourth Proportional to 627,212.14, 865,553.78 and 340,732.46

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Solution

The fourth proportional to 627,212.14, 865,553.78 and 340,732.46 is: 470,211.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,212.14 : 865,553.78 = 340,732.46 : x
  2. Step 2: Convert to fraction form
    627,212.14/865,553.78 = 340,732.46/x
  3. Step 3: Cross multiply
    627,212.14x = 865,553.78 × 340,732.46
  4. Step 4: Simplify right side
    627,212.14x = 294,922,271,737.41
  5. Step 5: Solve for x
    x = 294,922,271,737.41/627,212.14
  6. Step 6: Final answer
    x = 470,211.36

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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.