Home / 726,573.48-1,002,644.10-404,295.72

Finding the Fourth Proportional to 726,573.48, 1,002,644.10 and 404,295.72

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Solution

The fourth proportional to 726,573.48, 1,002,644.10 and 404,295.72 is: 557,912.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,573.48 : 1,002,644.10 = 404,295.72 : x
  2. Step 2: Convert to fraction form
    726,573.48/1,002,644.10 = 404,295.72/x
  3. Step 3: Cross multiply
    726,573.48x = 1,002,644.10 × 404,295.72
  4. Step 4: Simplify right side
    726,573.48x = 405,364,718,313.25
  5. Step 5: Solve for x
    x = 405,364,718,313.25/726,573.48
  6. Step 6: Final answer
    x = 557,912.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.