Home / 664,551.08-996,778.42-259,667.18

Finding the Fourth Proportional to 664,551.08, 996,778.42 and 259,667.18

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Solution

The fourth proportional to 664,551.08, 996,778.42 and 259,667.18 is: 389,481.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,551.08 : 996,778.42 = 259,667.18 : x
  2. Step 2: Convert to fraction form
    664,551.08/996,778.42 = 259,667.18/x
  3. Step 3: Cross multiply
    664,551.08x = 996,778.42 × 259,667.18
  4. Step 4: Simplify right side
    664,551.08x = 258,830,641,406.26
  5. Step 5: Solve for x
    x = 258,830,641,406.26/664,551.08
  6. Step 6: Final answer
    x = 389,481.94

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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.