Home / 726,728.74-1,090,267.59-228,092.74

Finding the Fourth Proportional to 726,728.74, 1,090,267.59 and 228,092.74

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Solution

The fourth proportional to 726,728.74, 1,090,267.59 and 228,092.74 is: 342,193.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,728.74 : 1,090,267.59 = 228,092.74 : x
  2. Step 2: Convert to fraction form
    726,728.74/1,090,267.59 = 228,092.74/x
  3. Step 3: Cross multiply
    726,728.74x = 1,090,267.59 × 228,092.74
  4. Step 4: Simplify right side
    726,728.74x = 248,682,121,936.30
  5. Step 5: Solve for x
    x = 248,682,121,936.30/726,728.74
  6. Step 6: Final answer
    x = 342,193.87

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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.