Home / 756,019.71-1,133,635.77-356,553.09

Finding the Fourth Proportional to 756,019.71, 1,133,635.77 and 356,553.09

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Solution

The fourth proportional to 756,019.71, 1,133,635.77 and 356,553.09 is: 534,643.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,019.71 : 1,133,635.77 = 356,553.09 : x
  2. Step 2: Convert to fraction form
    756,019.71/1,133,635.77 = 356,553.09/x
  3. Step 3: Cross multiply
    756,019.71x = 1,133,635.77 × 356,553.09
  4. Step 4: Simplify right side
    756,019.71x = 404,201,336,728.03
  5. Step 5: Solve for x
    x = 404,201,336,728.03/756,019.71
  6. Step 6: Final answer
    x = 534,643.91

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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.