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Finding the Fourth Proportional to 484,450, 726,822.96 and 247,960.24

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Solution

The fourth proportional to 484,450, 726,822.96 and 247,960.24 is: 372,016.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,450 : 726,822.96 = 247,960.24 : x
  2. Step 2: Convert to fraction form
    484,450/726,822.96 = 247,960.24/x
  3. Step 3: Cross multiply
    484,450x = 726,822.96 × 247,960.24
  4. Step 4: Simplify right side
    484,450x = 180,223,195,599.11
  5. Step 5: Solve for x
    x = 180,223,195,599.11/484,450
  6. Step 6: Final answer
    x = 372,016.09

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1.5x scale

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.