Home / 964,768.32-1,448,019.84-515,872.88

Finding the Fourth Proportional to 964,768.32, 1,448,019.84 and 515,872.88

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Solution

The fourth proportional to 964,768.32, 1,448,019.84 and 515,872.88 is: 774,273.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    964,768.32 : 1,448,019.84 = 515,872.88 : x
  2. Step 2: Convert to fraction form
    964,768.32/1,448,019.84 = 515,872.88/x
  3. Step 3: Cross multiply
    964,768.32x = 1,448,019.84 × 515,872.88
  4. Step 4: Simplify right side
    964,768.32x = 746,994,165,157.94
  5. Step 5: Solve for x
    x = 746,994,165,157.94/964,768.32
  6. Step 6: Final answer
    x = 774,273.11

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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.