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Finding the Fourth Proportional to 644,616.39, 965,595.98 and 377,567.30

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Solution

The fourth proportional to 644,616.39, 965,595.98 and 377,567.30 is: 565,572.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,616.39 : 965,595.98 = 377,567.30 : x
  2. Step 2: Convert to fraction form
    644,616.39/965,595.98 = 377,567.30/x
  3. Step 3: Cross multiply
    644,616.39x = 965,595.98 × 377,567.30
  4. Step 4: Simplify right side
    644,616.39x = 364,577,460,343.64
  5. Step 5: Solve for x
    x = 364,577,460,343.64/644,616.39
  6. Step 6: Final answer
    x = 565,572.74

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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.