Home / 855,604.80-1,282,974.72-500,725.44

Finding the Fourth Proportional to 855,604.80, 1,282,974.72 and 500,725.44

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Solution

The fourth proportional to 855,604.80, 1,282,974.72 and 500,725.44 is: 750,835.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,604.80 : 1,282,974.72 = 500,725.44 : x
  2. Step 2: Convert to fraction form
    855,604.80/1,282,974.72 = 500,725.44/x
  3. Step 3: Cross multiply
    855,604.80x = 1,282,974.72 × 500,725.44
  4. Step 4: Simplify right side
    855,604.80x = 642,418,081,180.88
  5. Step 5: Solve for x
    x = 642,418,081,180.88/855,604.80
  6. Step 6: Final answer
    x = 750,835.06

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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.