Home / 804,515.80-1,206,417.30-271,892.20

Finding the Fourth Proportional to 804,515.80, 1,206,417.30 and 271,892.20

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Solution

The fourth proportional to 804,515.80, 1,206,417.30 and 271,892.20 is: 407,717.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,515.80 : 1,206,417.30 = 271,892.20 : x
  2. Step 2: Convert to fraction form
    804,515.80/1,206,417.30 = 271,892.20/x
  3. Step 3: Cross multiply
    804,515.80x = 1,206,417.30 × 271,892.20
  4. Step 4: Simplify right side
    804,515.80x = 328,015,453,815.06
  5. Step 5: Solve for x
    x = 328,015,453,815.06/804,515.80
  6. Step 6: Final answer
    x = 407,717.85

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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.