Home / 839,220.73-1,259,928.51-498,286.48

Finding the Fourth Proportional to 839,220.73, 1,259,928.51 and 498,286.48

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Solution

The fourth proportional to 839,220.73, 1,259,928.51 and 498,286.48 is: 748,081.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,220.73 : 1,259,928.51 = 498,286.48 : x
  2. Step 2: Convert to fraction form
    839,220.73/1,259,928.51 = 498,286.48/x
  3. Step 3: Cross multiply
    839,220.73x = 1,259,928.51 × 498,286.48
  4. Step 4: Simplify right side
    839,220.73x = 627,805,342,299.55
  5. Step 5: Solve for x
    x = 627,805,342,299.55/839,220.73
  6. Step 6: Final answer
    x = 748,081.31

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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.