Home / 803,351.70-1,205,027.55-329,793.30

Finding the Fourth Proportional to 803,351.70, 1,205,027.55 and 329,793.30

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Solution

The fourth proportional to 803,351.70, 1,205,027.55 and 329,793.30 is: 494,689.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,351.70 : 1,205,027.55 = 329,793.30 : x
  2. Step 2: Convert to fraction form
    803,351.70/1,205,027.55 = 329,793.30/x
  3. Step 3: Cross multiply
    803,351.70x = 1,205,027.55 × 329,793.30
  4. Step 4: Simplify right side
    803,351.70x = 397,410,012,305.42
  5. Step 5: Solve for x
    x = 397,410,012,305.42/803,351.70
  6. Step 6: Final answer
    x = 494,689.95

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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.