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Finding the Fourth Proportional to 664,312.82, 995,856.06 and 264,857

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Solution

The fourth proportional to 664,312.82, 995,856.06 and 264,857 is: 397,041.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,312.82 : 995,856.06 = 264,857 : x
  2. Step 2: Convert to fraction form
    664,312.82/995,856.06 = 264,857/x
  3. Step 3: Cross multiply
    664,312.82x = 995,856.06 × 264,857
  4. Step 4: Simplify right side
    664,312.82x = 263,759,448,483.42
  5. Step 5: Solve for x
    x = 263,759,448,483.42/664,312.82
  6. Step 6: Final answer
    x = 397,041.03

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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.