Home / 855,926.30-1,283,955.06-256,843.82

Finding the Fourth Proportional to 855,926.30, 1,283,955.06 and 256,843.82

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Solution

The fourth proportional to 855,926.30, 1,283,955.06 and 256,843.82 is: 385,285.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,926.30 : 1,283,955.06 = 256,843.82 : x
  2. Step 2: Convert to fraction form
    855,926.30/1,283,955.06 = 256,843.82/x
  3. Step 3: Cross multiply
    855,926.30x = 1,283,955.06 × 256,843.82
  4. Step 4: Simplify right side
    855,926.30x = 329,775,922,318.73
  5. Step 5: Solve for x
    x = 329,775,922,318.73/855,926.30
  6. Step 6: Final answer
    x = 385,285.42

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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.