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Finding the Fourth Proportional to 804,546.72, 1,207,318.44 and 467,745.90

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Solution

The fourth proportional to 804,546.72, 1,207,318.44 and 467,745.90 is: 701,908.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,546.72 : 1,207,318.44 = 467,745.90 : x
  2. Step 2: Convert to fraction form
    804,546.72/1,207,318.44 = 467,745.90/x
  3. Step 3: Cross multiply
    804,546.72x = 1,207,318.44 × 467,745.90
  4. Step 4: Simplify right side
    804,546.72x = 564,718,250,304.40
  5. Step 5: Solve for x
    x = 564,718,250,304.40/804,546.72
  6. Step 6: Final answer
    x = 701,908.59

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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.