Home / 804,542.80-1,206,457.80-271,919.20

Finding the Fourth Proportional to 804,542.80, 1,206,457.80 and 271,919.20

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Solution

The fourth proportional to 804,542.80, 1,206,457.80 and 271,919.20 is: 407,758.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,542.80 : 1,206,457.80 = 271,919.20 : x
  2. Step 2: Convert to fraction form
    804,542.80/1,206,457.80 = 271,919.20/x
  3. Step 3: Cross multiply
    804,542.80x = 1,206,457.80 × 271,919.20
  4. Step 4: Simplify right side
    804,542.80x = 328,059,039,809.76
  5. Step 5: Solve for x
    x = 328,059,039,809.76/804,542.80
  6. Step 6: Final answer
    x = 407,758.34

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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.