Home / 802,670.20-1,204,005.30-329,111.80

Finding the Fourth Proportional to 802,670.20, 1,204,005.30 and 329,111.80

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Solution

The fourth proportional to 802,670.20, 1,204,005.30 and 329,111.80 is: 493,667.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,670.20 : 1,204,005.30 = 329,111.80 : x
  2. Step 2: Convert to fraction form
    802,670.20/1,204,005.30 = 329,111.80/x
  3. Step 3: Cross multiply
    802,670.20x = 1,204,005.30 × 329,111.80
  4. Step 4: Simplify right side
    802,670.20x = 396,252,351,492.54
  5. Step 5: Solve for x
    x = 396,252,351,492.54/802,670.20
  6. Step 6: Final answer
    x = 493,667.70

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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.