Home / 802,240.87-1,202,960.66-262,426.70

Finding the Fourth Proportional to 802,240.87, 1,202,960.66 and 262,426.70

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Solution

The fourth proportional to 802,240.87, 1,202,960.66 and 262,426.70 is: 393,508.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,240.87 : 1,202,960.66 = 262,426.70 : x
  2. Step 2: Convert to fraction form
    802,240.87/1,202,960.66 = 262,426.70/x
  3. Step 3: Cross multiply
    802,240.87x = 1,202,960.66 × 262,426.70
  4. Step 4: Simplify right side
    802,240.87x = 315,688,988,906.69
  5. Step 5: Solve for x
    x = 315,688,988,906.69/802,240.87
  6. Step 6: Final answer
    x = 393,508.98

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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.