Home / 726,447.16-1,002,497.07-404,157.17

Finding the Fourth Proportional to 726,447.16, 1,002,497.07 and 404,157.17

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Solution

The fourth proportional to 726,447.16, 1,002,497.07 and 404,157.17 is: 557,736.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,447.16 : 1,002,497.07 = 404,157.17 : x
  2. Step 2: Convert to fraction form
    726,447.16/1,002,497.07 = 404,157.17/x
  3. Step 3: Cross multiply
    726,447.16x = 1,002,497.07 × 404,157.17
  4. Step 4: Simplify right side
    726,447.16x = 405,166,378,241.78
  5. Step 5: Solve for x
    x = 405,166,378,241.78/726,447.16
  6. Step 6: Final answer
    x = 557,736.89

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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.