Home / 864,629.08-1,296,892.22-265,595.88

Finding the Fourth Proportional to 864,629.08, 1,296,892.22 and 265,595.88

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Solution

The fourth proportional to 864,629.08, 1,296,892.22 and 265,595.88 is: 398,378.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,629.08 : 1,296,892.22 = 265,595.88 : x
  2. Step 2: Convert to fraction form
    864,629.08/1,296,892.22 = 265,595.88/x
  3. Step 3: Cross multiply
    864,629.08x = 1,296,892.22 × 265,595.88
  4. Step 4: Simplify right side
    864,629.08x = 344,449,230,436.05
  5. Step 5: Solve for x
    x = 344,449,230,436.05/864,629.08
  6. Step 6: Final answer
    x = 398,378.03

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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.