Home / 852,067.68-1,276,787.68-419,288.32

Finding the Fourth Proportional to 852,067.68, 1,276,787.68 and 419,288.32

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Solution

The fourth proportional to 852,067.68, 1,276,787.68 and 419,288.32 is: 628,285.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,067.68 : 1,276,787.68 = 419,288.32 : x
  2. Step 2: Convert to fraction form
    852,067.68/1,276,787.68 = 419,288.32/x
  3. Step 3: Cross multiply
    852,067.68x = 1,276,787.68 × 419,288.32
  4. Step 4: Simplify right side
    852,067.68x = 535,342,161,343.90
  5. Step 5: Solve for x
    x = 535,342,161,343.90/852,067.68
  6. Step 6: Final answer
    x = 628,285.96

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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.