Home / 804,513.80-1,206,414.30-271,890.20

Finding the Fourth Proportional to 804,513.80, 1,206,414.30 and 271,890.20

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Solution

The fourth proportional to 804,513.80, 1,206,414.30 and 271,890.20 is: 407,714.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,513.80 : 1,206,414.30 = 271,890.20 : x
  2. Step 2: Convert to fraction form
    804,513.80/1,206,414.30 = 271,890.20/x
  3. Step 3: Cross multiply
    804,513.80x = 1,206,414.30 × 271,890.20
  4. Step 4: Simplify right side
    804,513.80x = 328,012,225,309.86
  5. Step 5: Solve for x
    x = 328,012,225,309.86/804,513.80
  6. Step 6: Final answer
    x = 407,714.85

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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.