Home / 804,932.40-1,206,961.20-272,179.20

Finding the Fourth Proportional to 804,932.40, 1,206,961.20 and 272,179.20

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Solution

The fourth proportional to 804,932.40, 1,206,961.20 and 272,179.20 is: 408,120.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,932.40 : 1,206,961.20 = 272,179.20 : x
  2. Step 2: Convert to fraction form
    804,932.40/1,206,961.20 = 272,179.20/x
  3. Step 3: Cross multiply
    804,932.40x = 1,206,961.20 × 272,179.20
  4. Step 4: Simplify right side
    804,932.40x = 328,509,733,847.04
  5. Step 5: Solve for x
    x = 328,509,733,847.04/804,932.40
  6. Step 6: Final answer
    x = 408,120.90

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1.5x scale

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.