Home / 726,874.92-1,090,356.12-228,238.92

Finding the Fourth Proportional to 726,874.92, 1,090,356.12 and 228,238.92

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Solution

The fourth proportional to 726,874.92, 1,090,356.12 and 228,238.92 is: 342,372.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,874.92 : 1,090,356.12 = 228,238.92 : x
  2. Step 2: Convert to fraction form
    726,874.92/1,090,356.12 = 228,238.92/x
  3. Step 3: Cross multiply
    726,874.92x = 1,090,356.12 × 228,238.92
  4. Step 4: Simplify right side
    726,874.92x = 248,861,703,244.19
  5. Step 5: Solve for x
    x = 248,861,703,244.19/726,874.92
  6. Step 6: Final answer
    x = 342,372.11

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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.