Home / 644,616.39-965,595.99-377,567.28

Finding the Fourth Proportional to 644,616.39, 965,595.99 and 377,567.28

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Solution

The fourth proportional to 644,616.39, 965,595.99 and 377,567.28 is: 565,572.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,616.39 : 965,595.99 = 377,567.28 : x
  2. Step 2: Convert to fraction form
    644,616.39/965,595.99 = 377,567.28/x
  3. Step 3: Cross multiply
    644,616.39x = 965,595.99 × 377,567.28
  4. Step 4: Simplify right side
    644,616.39x = 364,577,451,523.21
  5. Step 5: Solve for x
    x = 364,577,451,523.21/644,616.39
  6. Step 6: Final answer
    x = 565,572.73

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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.