Home / 664,360.10-996,410.55-214,972.10

Finding the Fourth Proportional to 664,360.10, 996,410.55 and 214,972.10

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Solution

The fourth proportional to 664,360.10, 996,410.55 and 214,972.10 is: 322,416.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,360.10 : 996,410.55 = 214,972.10 : x
  2. Step 2: Convert to fraction form
    664,360.10/996,410.55 = 214,972.10/x
  3. Step 3: Cross multiply
    664,360.10x = 996,410.55 × 214,972.10
  4. Step 4: Simplify right side
    664,360.10x = 214,200,468,395.66
  5. Step 5: Solve for x
    x = 214,200,468,395.66/664,360.10
  6. Step 6: Final answer
    x = 322,416.21

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1.5x scale

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.