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Finding the Fourth Proportional to 664,559.52, 996,996.72 and 265,222.56

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Solution

The fourth proportional to 664,559.52, 996,996.72 and 265,222.56 is: 397,896.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,559.52 : 996,996.72 = 265,222.56 : x
  2. Step 2: Convert to fraction form
    664,559.52/996,996.72 = 265,222.56/x
  3. Step 3: Cross multiply
    664,559.52x = 996,996.72 × 265,222.56
  4. Step 4: Simplify right side
    664,559.52x = 264,426,022,390.00
  5. Step 5: Solve for x
    x = 264,426,022,390.00/664,559.52
  6. Step 6: Final answer
    x = 397,896.67

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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.