Home / 636,815.14-954,435.39-321,362.26

Finding the Fourth Proportional to 636,815.14, 954,435.39 and 321,362.26

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Solution

The fourth proportional to 636,815.14, 954,435.39 and 321,362.26 is: 481,646.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,815.14 : 954,435.39 = 321,362.26 : x
  2. Step 2: Convert to fraction form
    636,815.14/954,435.39 = 321,362.26/x
  3. Step 3: Cross multiply
    636,815.14x = 954,435.39 × 321,362.26
  4. Step 4: Simplify right side
    636,815.14x = 306,719,513,954.38
  5. Step 5: Solve for x
    x = 306,719,513,954.38/636,815.14
  6. Step 6: Final answer
    x = 481,646.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.