Home / 726,817.43-1,090,140.28-194,379.73

Finding the Fourth Proportional to 726,817.43, 1,090,140.28 and 194,379.73

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Solution

The fourth proportional to 726,817.43, 1,090,140.28 and 194,379.73 is: 291,546.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,817.43 : 1,090,140.28 = 194,379.73 : x
  2. Step 2: Convert to fraction form
    726,817.43/1,090,140.28 = 194,379.73/x
  3. Step 3: Cross multiply
    726,817.43x = 1,090,140.28 × 194,379.73
  4. Step 4: Simplify right side
    726,817.43x = 211,901,173,288.52
  5. Step 5: Solve for x
    x = 211,901,173,288.52/726,817.43
  6. Step 6: Final answer
    x = 291,546.63

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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.