Home / 664,521.20-996,927.60-215,165.60

Finding the Fourth Proportional to 664,521.20, 996,927.60 and 215,165.60

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Solution

The fourth proportional to 664,521.20, 996,927.60 and 215,165.60 is: 322,795.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,521.20 : 996,927.60 = 215,165.60 : x
  2. Step 2: Convert to fraction form
    664,521.20/996,927.60 = 215,165.60/x
  3. Step 3: Cross multiply
    664,521.20x = 996,927.60 × 215,165.60
  4. Step 4: Simplify right side
    664,521.20x = 214,504,525,210.56
  5. Step 5: Solve for x
    x = 214,504,525,210.56/664,521.20
  6. Step 6: Final answer
    x = 322,795.61

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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.