Home / 664,322.70-996,629.85-214,967.10

Finding the Fourth Proportional to 664,322.70, 996,629.85 and 214,967.10

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Solution

The fourth proportional to 664,322.70, 996,629.85 and 214,967.10 is: 322,497.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,322.70 : 996,629.85 = 214,967.10 : x
  2. Step 2: Convert to fraction form
    664,322.70/996,629.85 = 214,967.10/x
  3. Step 3: Cross multiply
    664,322.70x = 996,629.85 × 214,967.10
  4. Step 4: Simplify right side
    664,322.70x = 214,242,628,627.94
  5. Step 5: Solve for x
    x = 214,242,628,627.94/664,322.70
  6. Step 6: Final answer
    x = 322,497.83

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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.