Home / 729,233.28-1,093,843.44-255,807.72

Finding the Fourth Proportional to 729,233.28, 1,093,843.44 and 255,807.72

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Solution

The fourth proportional to 729,233.28, 1,093,843.44 and 255,807.72 is: 383,709.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,233.28 : 1,093,843.44 = 255,807.72 : x
  2. Step 2: Convert to fraction form
    729,233.28/1,093,843.44 = 255,807.72/x
  3. Step 3: Cross multiply
    729,233.28x = 1,093,843.44 × 255,807.72
  4. Step 4: Simplify right side
    729,233.28x = 279,813,596,423.36
  5. Step 5: Solve for x
    x = 279,813,596,423.36/729,233.28
  6. Step 6: Final answer
    x = 383,709.31

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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.