Home / 855,716.52-1,283,498.23-256,811.43

Finding the Fourth Proportional to 855,716.52, 1,283,498.23 and 256,811.43

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Solution

The fourth proportional to 855,716.52, 1,283,498.23 and 256,811.43 is: 385,194.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,716.52 : 1,283,498.23 = 256,811.43 : x
  2. Step 2: Convert to fraction form
    855,716.52/1,283,498.23 = 256,811.43/x
  3. Step 3: Cross multiply
    855,716.52x = 1,283,498.23 × 256,811.43
  4. Step 4: Simplify right side
    855,716.52x = 329,617,015,848.77
  5. Step 5: Solve for x
    x = 329,617,015,848.77/855,716.52
  6. Step 6: Final answer
    x = 385,194.17

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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.