Home / 705,214.80-1,057,977.72-231,881.04

Finding the Fourth Proportional to 705,214.80, 1,057,977.72 and 231,881.04

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Solution

The fourth proportional to 705,214.80, 1,057,977.72 and 231,881.04 is: 347,872.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,214.80 : 1,057,977.72 = 231,881.04 : x
  2. Step 2: Convert to fraction form
    705,214.80/1,057,977.72 = 231,881.04/x
  3. Step 3: Cross multiply
    705,214.80x = 1,057,977.72 × 231,881.04
  4. Step 4: Simplify right side
    705,214.80x = 245,324,974,010.43
  5. Step 5: Solve for x
    x = 245,324,974,010.43/705,214.80
  6. Step 6: Final answer
    x = 347,872.70

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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.