Home / 805,081.92-1,208,167.20-306,432.96

Finding the Fourth Proportional to 805,081.92, 1,208,167.20 and 306,432.96

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Solution

The fourth proportional to 805,081.92, 1,208,167.20 and 306,432.96 is: 459,856.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,081.92 : 1,208,167.20 = 306,432.96 : x
  2. Step 2: Convert to fraction form
    805,081.92/1,208,167.20 = 306,432.96/x
  3. Step 3: Cross multiply
    805,081.92x = 1,208,167.20 × 306,432.96
  4. Step 4: Simplify right side
    805,081.92x = 370,222,251,270.91
  5. Step 5: Solve for x
    x = 370,222,251,270.91/805,081.92
  6. Step 6: Final answer
    x = 459,856.62

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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.