Home / 644,650.45-965,646.77-377,601.35

Finding the Fourth Proportional to 644,650.45, 965,646.77 and 377,601.35

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Solution

The fourth proportional to 644,650.45, 965,646.77 and 377,601.35 is: 565,623.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,650.45 : 965,646.77 = 377,601.35 : x
  2. Step 2: Convert to fraction form
    644,650.45/965,646.77 = 377,601.35/x
  3. Step 3: Cross multiply
    644,650.45x = 965,646.77 × 377,601.35
  4. Step 4: Simplify right side
    644,650.45x = 364,629,517,258.90
  5. Step 5: Solve for x
    x = 364,629,517,258.90/644,650.45
  6. Step 6: Final answer
    x = 565,623.62

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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.