Home / 484,241.20-726,143.10-217,864.60

Finding the Fourth Proportional to 484,241.20, 726,143.10 and 217,864.60

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Solution

The fourth proportional to 484,241.20, 726,143.10 and 217,864.60 is: 326,698.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,241.20 : 726,143.10 = 217,864.60 : x
  2. Step 2: Convert to fraction form
    484,241.20/726,143.10 = 217,864.60/x
  3. Step 3: Cross multiply
    484,241.20x = 726,143.10 × 217,864.60
  4. Step 4: Simplify right side
    484,241.20x = 158,200,876,024.26
  5. Step 5: Solve for x
    x = 158,200,876,024.26/484,241.20
  6. Step 6: Final answer
    x = 326,698.50

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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.