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Finding the Fourth Proportional to 804,563.10, 1,205,095.05 and 488,468.70

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Solution

The fourth proportional to 804,563.10, 1,205,095.05 and 488,468.70 is: 731,640.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,563.10 : 1,205,095.05 = 488,468.70 : x
  2. Step 2: Convert to fraction form
    804,563.10/1,205,095.05 = 488,468.70/x
  3. Step 3: Cross multiply
    804,563.10x = 1,205,095.05 × 488,468.70
  4. Step 4: Simplify right side
    804,563.10x = 588,651,212,449.94
  5. Step 5: Solve for x
    x = 588,651,212,449.94/804,563.10
  6. Step 6: Final answer
    x = 731,640.83

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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.