Home / 726,658.75-1,090,164.30-228,022.75

Finding the Fourth Proportional to 726,658.75, 1,090,164.30 and 228,022.75

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Solution

The fourth proportional to 726,658.75, 1,090,164.30 and 228,022.75 is: 342,089.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,658.75 : 1,090,164.30 = 228,022.75 : x
  2. Step 2: Convert to fraction form
    726,658.75/1,090,164.30 = 228,022.75/x
  3. Step 3: Cross multiply
    726,658.75x = 1,090,164.30 × 228,022.75
  4. Step 4: Simplify right side
    726,658.75x = 248,582,261,637.83
  5. Step 5: Solve for x
    x = 248,582,261,637.83/726,658.75
  6. Step 6: Final answer
    x = 342,089.41

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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.