Home / 753,816.65-1,040,509.38-482,614.97

Finding the Fourth Proportional to 753,816.65, 1,040,509.38 and 482,614.97

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Solution

The fourth proportional to 753,816.65, 1,040,509.38 and 482,614.97 is: 666,163.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,816.65 : 1,040,509.38 = 482,614.97 : x
  2. Step 2: Convert to fraction form
    753,816.65/1,040,509.38 = 482,614.97/x
  3. Step 3: Cross multiply
    753,816.65x = 1,040,509.38 × 482,614.97
  4. Step 4: Simplify right side
    753,816.65x = 502,165,398,010.87
  5. Step 5: Solve for x
    x = 502,165,398,010.87/753,816.65
  6. Step 6: Final answer
    x = 666,163.85

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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.