Home / 644,004.97-966,010.79-377,578.65

Finding the Fourth Proportional to 644,004.97, 966,010.79 and 377,578.65

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Solution

The fourth proportional to 644,004.97, 966,010.79 and 377,578.65 is: 566,369.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,004.97 : 966,010.79 = 377,578.65 : x
  2. Step 2: Convert to fraction form
    644,004.97/966,010.79 = 377,578.65/x
  3. Step 3: Cross multiply
    644,004.97x = 966,010.79 × 377,578.65
  4. Step 4: Simplify right side
    644,004.97x = 364,745,053,978.13
  5. Step 5: Solve for x
    x = 364,745,053,978.13/644,004.97
  6. Step 6: Final answer
    x = 566,369.93

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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.