Home / 484,310.44-726,629.15-214,401.35

Finding the Fourth Proportional to 484,310.44, 726,629.15 and 214,401.35

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Solution

The fourth proportional to 484,310.44, 726,629.15 and 214,401.35 is: 321,674.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,310.44 : 726,629.15 = 214,401.35 : x
  2. Step 2: Convert to fraction form
    484,310.44/726,629.15 = 214,401.35/x
  3. Step 3: Cross multiply
    484,310.44x = 726,629.15 × 214,401.35
  4. Step 4: Simplify right side
    484,310.44x = 155,790,270,709.35
  5. Step 5: Solve for x
    x = 155,790,270,709.35/484,310.44
  6. Step 6: Final answer
    x = 321,674.40

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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.