Home / 726,800.15-1,090,372.76-228,164.15

Finding the Fourth Proportional to 726,800.15, 1,090,372.76 and 228,164.15

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Solution

The fourth proportional to 726,800.15, 1,090,372.76 and 228,164.15 is: 342,300.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,800.15 : 1,090,372.76 = 228,164.15 : x
  2. Step 2: Convert to fraction form
    726,800.15/1,090,372.76 = 228,164.15/x
  3. Step 3: Cross multiply
    726,800.15x = 1,090,372.76 × 228,164.15
  4. Step 4: Simplify right side
    726,800.15x = 248,783,976,409.28
  5. Step 5: Solve for x
    x = 248,783,976,409.28/726,800.15
  6. Step 6: Final answer
    x = 342,300.39

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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.