Home / 728,935.26-1,093,410.09-255,631.98

Finding the Fourth Proportional to 728,935.26, 1,093,410.09 and 255,631.98

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Solution

The fourth proportional to 728,935.26, 1,093,410.09 and 255,631.98 is: 383,450.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,935.26 : 1,093,410.09 = 255,631.98 : x
  2. Step 2: Convert to fraction form
    728,935.26/1,093,410.09 = 255,631.98/x
  3. Step 3: Cross multiply
    728,935.26x = 1,093,410.09 × 255,631.98
  4. Step 4: Simplify right side
    728,935.26x = 279,510,586,258.68
  5. Step 5: Solve for x
    x = 279,510,586,258.68/728,935.26
  6. Step 6: Final answer
    x = 383,450.49

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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.