Home / 664,318.20-996,623.10-214,962.60

Finding the Fourth Proportional to 664,318.20, 996,623.10 and 214,962.60

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Solution

The fourth proportional to 664,318.20, 996,623.10 and 214,962.60 is: 322,491.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,318.20 : 996,623.10 = 214,962.60 : x
  2. Step 2: Convert to fraction form
    664,318.20/996,623.10 = 214,962.60/x
  3. Step 3: Cross multiply
    664,318.20x = 996,623.10 × 214,962.60
  4. Step 4: Simplify right side
    664,318.20x = 214,236,692,796.06
  5. Step 5: Solve for x
    x = 214,236,692,796.06/664,318.20
  6. Step 6: Final answer
    x = 322,491.08

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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.