Home / 644,010.10-966,018.48-377,583.78

Finding the Fourth Proportional to 644,010.10, 966,018.48 and 377,583.78

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Solution

The fourth proportional to 644,010.10, 966,018.48 and 377,583.78 is: 566,377.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,010.10 : 966,018.48 = 377,583.78 : x
  2. Step 2: Convert to fraction form
    644,010.10/966,018.48 = 377,583.78/x
  3. Step 3: Cross multiply
    644,010.10x = 966,018.48 × 377,583.78
  4. Step 4: Simplify right side
    644,010.10x = 364,752,909,228.25
  5. Step 5: Solve for x
    x = 364,752,909,228.25/644,010.10
  6. Step 6: Final answer
    x = 566,377.62

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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.