Home / 676,850.64-933,935.49-386,329.56

Finding the Fourth Proportional to 676,850.64, 933,935.49 and 386,329.56

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Solution

The fourth proportional to 676,850.64, 933,935.49 and 386,329.56 is: 533,067.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,850.64 : 933,935.49 = 386,329.56 : x
  2. Step 2: Convert to fraction form
    676,850.64/933,935.49 = 386,329.56/x
  3. Step 3: Cross multiply
    676,850.64x = 933,935.49 × 386,329.56
  4. Step 4: Simplify right side
    676,850.64x = 360,806,886,920.08
  5. Step 5: Solve for x
    x = 360,806,886,920.08/676,850.64
  6. Step 6: Final answer
    x = 533,067.22

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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.