Home / 726,548.56-1,002,641.96-404,272.24

Finding the Fourth Proportional to 726,548.56, 1,002,641.96 and 404,272.24

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Solution

The fourth proportional to 726,548.56, 1,002,641.96 and 404,272.24 is: 557,898.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,548.56 : 1,002,641.96 = 404,272.24 : x
  2. Step 2: Convert to fraction form
    726,548.56/1,002,641.96 = 404,272.24/x
  3. Step 3: Cross multiply
    726,548.56x = 1,002,641.96 × 404,272.24
  4. Step 4: Simplify right side
    726,548.56x = 405,340,311,087.19
  5. Step 5: Solve for x
    x = 405,340,311,087.19/726,548.56
  6. Step 6: Final answer
    x = 557,898.44

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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.