Home / 804,564.10-1,205,096.55-488,469.70

Finding the Fourth Proportional to 804,564.10, 1,205,096.55 and 488,469.70

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Solution

The fourth proportional to 804,564.10, 1,205,096.55 and 488,469.70 is: 731,642.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,564.10 : 1,205,096.55 = 488,469.70 : x
  2. Step 2: Convert to fraction form
    804,564.10/1,205,096.55 = 488,469.70/x
  3. Step 3: Cross multiply
    804,564.10x = 1,205,096.55 × 488,469.70
  4. Step 4: Simplify right side
    804,564.10x = 588,653,150,249.54
  5. Step 5: Solve for x
    x = 588,653,150,249.54/804,564.10
  6. Step 6: Final answer
    x = 731,642.33

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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.