Home / 863,640.72-1,191,826.08-481,692.06

Finding the Fourth Proportional to 863,640.72, 1,191,826.08 and 481,692.06

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Solution

The fourth proportional to 863,640.72, 1,191,826.08 and 481,692.06 is: 664,736.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,640.72 : 1,191,826.08 = 481,692.06 : x
  2. Step 2: Convert to fraction form
    863,640.72/1,191,826.08 = 481,692.06/x
  3. Step 3: Cross multiply
    863,640.72x = 1,191,826.08 × 481,692.06
  4. Step 4: Simplify right side
    863,640.72x = 574,093,159,636.93
  5. Step 5: Solve for x
    x = 574,093,159,636.93/863,640.72
  6. Step 6: Final answer
    x = 664,736.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.