Home / 705,262-1,057,890.84-255,982.36

Finding the Fourth Proportional to 705,262, 1,057,890.84 and 255,982.36

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Solution

The fourth proportional to 705,262, 1,057,890.84 and 255,982.36 is: 383,972.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,262 : 1,057,890.84 = 255,982.36 : x
  2. Step 2: Convert to fraction form
    705,262/1,057,890.84 = 255,982.36/x
  3. Step 3: Cross multiply
    705,262x = 1,057,890.84 × 255,982.36
  4. Step 4: Simplify right side
    705,262x = 270,801,393,845.58
  5. Step 5: Solve for x
    x = 270,801,393,845.58/705,262
  6. Step 6: Final answer
    x = 383,972.76

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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.