Home / 804,517.30-1,206,419.55-271,893.70

Finding the Fourth Proportional to 804,517.30, 1,206,419.55 and 271,893.70

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Solution

The fourth proportional to 804,517.30, 1,206,419.55 and 271,893.70 is: 407,720.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,517.30 : 1,206,419.55 = 271,893.70 : x
  2. Step 2: Convert to fraction form
    804,517.30/1,206,419.55 = 271,893.70/x
  3. Step 3: Cross multiply
    804,517.30x = 1,206,419.55 × 271,893.70
  4. Step 4: Simplify right side
    804,517.30x = 328,017,875,201.84
  5. Step 5: Solve for x
    x = 328,017,875,201.84/804,517.30
  6. Step 6: Final answer
    x = 407,720.10

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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.