Home / 804,238.80-1,204,520.31-383,809.92

Finding the Fourth Proportional to 804,238.80, 1,204,520.31 and 383,809.92

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Solution

The fourth proportional to 804,238.80, 1,204,520.31 and 383,809.92 is: 574,837.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,238.80 : 1,204,520.31 = 383,809.92 : x
  2. Step 2: Convert to fraction form
    804,238.80/1,204,520.31 = 383,809.92/x
  3. Step 3: Cross multiply
    804,238.80x = 1,204,520.31 × 383,809.92
  4. Step 4: Simplify right side
    804,238.80x = 462,306,843,819.48
  5. Step 5: Solve for x
    x = 462,306,843,819.48/804,238.80
  6. Step 6: Final answer
    x = 574,837.78

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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.