Home / 726,723-1,090,123.38-228,125.88

Finding the Fourth Proportional to 726,723, 1,090,123.38 and 228,125.88

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Solution

The fourth proportional to 726,723, 1,090,123.38 and 228,125.88 is: 342,201.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,723 : 1,090,123.38 = 228,125.88 : x
  2. Step 2: Convert to fraction form
    726,723/1,090,123.38 = 228,125.88/x
  3. Step 3: Cross multiply
    726,723x = 1,090,123.38 × 228,125.88
  4. Step 4: Simplify right side
    726,723x = 248,685,355,371.07
  5. Step 5: Solve for x
    x = 248,685,355,371.07/726,723
  6. Step 6: Final answer
    x = 342,201.02

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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.