Home / 484,392.30-726,260.40-247,540.20

Finding the Fourth Proportional to 484,392.30, 726,260.40 and 247,540.20

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Solution

The fourth proportional to 484,392.30, 726,260.40 and 247,540.20 is: 371,142.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,392.30 : 726,260.40 = 247,540.20 : x
  2. Step 2: Convert to fraction form
    484,392.30/726,260.40 = 247,540.20/x
  3. Step 3: Cross multiply
    484,392.30x = 726,260.40 × 247,540.20
  4. Step 4: Simplify right side
    484,392.30x = 179,778,644,668.08
  5. Step 5: Solve for x
    x = 179,778,644,668.08/484,392.30
  6. Step 6: Final answer
    x = 371,142.66

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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.