Home / 664,015.14-996,031.62-208,591.54

Finding the Fourth Proportional to 664,015.14, 996,031.62 and 208,591.54

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Solution

The fourth proportional to 664,015.14, 996,031.62 and 208,591.54 is: 312,890.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,015.14 : 996,031.62 = 208,591.54 : x
  2. Step 2: Convert to fraction form
    664,015.14/996,031.62 = 208,591.54/x
  3. Step 3: Cross multiply
    664,015.14x = 996,031.62 × 208,591.54
  4. Step 4: Simplify right side
    664,015.14x = 207,763,767,014.42
  5. Step 5: Solve for x
    x = 207,763,767,014.42/664,015.14
  6. Step 6: Final answer
    x = 312,890.11

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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.