Home / 644,006.66-966,013.31-377,580.33

Finding the Fourth Proportional to 644,006.66, 966,013.31 and 377,580.33

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Solution

The fourth proportional to 644,006.66, 966,013.31 and 377,580.33 is: 566,372.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,006.66 : 966,013.31 = 377,580.33 : x
  2. Step 2: Convert to fraction form
    644,006.66/966,013.31 = 377,580.33/x
  3. Step 3: Cross multiply
    644,006.66x = 966,013.31 × 377,580.33
  4. Step 4: Simplify right side
    644,006.66x = 364,747,622,486.29
  5. Step 5: Solve for x
    x = 364,747,622,486.29/644,006.66
  6. Step 6: Final answer
    x = 566,372.44

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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.