Home / 855,171.05-1,282,552.38-255,971.39

Finding the Fourth Proportional to 855,171.05, 1,282,552.38 and 255,971.39

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Solution

The fourth proportional to 855,171.05, 1,282,552.38 and 255,971.39 is: 383,895.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,171.05 : 1,282,552.38 = 255,971.39 : x
  2. Step 2: Convert to fraction form
    855,171.05/1,282,552.38 = 255,971.39/x
  3. Step 3: Cross multiply
    855,171.05x = 1,282,552.38 × 255,971.39
  4. Step 4: Simplify right side
    855,171.05x = 328,296,709,043.65
  5. Step 5: Solve for x
    x = 328,296,709,043.65/855,171.05
  6. Step 6: Final answer
    x = 383,895.96

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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.