Home / 644,004.77-966,010.49-377,578.45

Finding the Fourth Proportional to 644,004.77, 966,010.49 and 377,578.45

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Solution

The fourth proportional to 644,004.77, 966,010.49 and 377,578.45 is: 566,369.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,004.77 : 966,010.49 = 377,578.45 : x
  2. Step 2: Convert to fraction form
    644,004.77/966,010.49 = 377,578.45/x
  3. Step 3: Cross multiply
    644,004.77x = 966,010.49 × 377,578.45
  4. Step 4: Simplify right side
    644,004.77x = 364,744,748,145.08
  5. Step 5: Solve for x
    x = 364,744,748,145.08/644,004.77
  6. Step 6: Final answer
    x = 566,369.63

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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.