Home / 726,529.56-1,002,615.72-404,253.24

Finding the Fourth Proportional to 726,529.56, 1,002,615.72 and 404,253.24

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Solution

The fourth proportional to 726,529.56, 1,002,615.72 and 404,253.24 is: 557,872.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,529.56 : 1,002,615.72 = 404,253.24 : x
  2. Step 2: Convert to fraction form
    726,529.56/1,002,615.72 = 404,253.24/x
  3. Step 3: Cross multiply
    726,529.56x = 1,002,615.72 × 404,253.24
  4. Step 4: Simplify right side
    726,529.56x = 405,310,653,284.93
  5. Step 5: Solve for x
    x = 405,310,653,284.93/726,529.56
  6. Step 6: Final answer
    x = 557,872.21

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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.