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Finding the Fourth Proportional to 664,310.82, 995,853.06 and 264,855

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Solution

The fourth proportional to 664,310.82, 995,853.06 and 264,855 is: 397,038.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,310.82 : 995,853.06 = 264,855 : x
  2. Step 2: Convert to fraction form
    664,310.82/995,853.06 = 264,855/x
  3. Step 3: Cross multiply
    664,310.82x = 995,853.06 × 264,855
  4. Step 4: Simplify right side
    664,310.82x = 263,756,662,206.30
  5. Step 5: Solve for x
    x = 263,756,662,206.30/664,310.82
  6. Step 6: Final answer
    x = 397,038.03

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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.