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Finding the Fourth Proportional to 444,086.88, 612,105.84 and 330,868.32

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Solution

The fourth proportional to 444,086.88, 612,105.84 and 330,868.32 is: 456,051.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,086.88 : 612,105.84 = 330,868.32 : x
  2. Step 2: Convert to fraction form
    444,086.88/612,105.84 = 330,868.32/x
  3. Step 3: Cross multiply
    444,086.88x = 612,105.84 × 330,868.32
  4. Step 4: Simplify right side
    444,086.88x = 202,526,430,942.99
  5. Step 5: Solve for x
    x = 202,526,430,942.99/444,086.88
  6. Step 6: Final answer
    x = 456,051.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.