Home / 805,691.94-1,207,449.24-306,783.78

Finding the Fourth Proportional to 805,691.94, 1,207,449.24 and 306,783.78

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Solution

The fourth proportional to 805,691.94, 1,207,449.24 and 306,783.78 is: 459,761.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,691.94 : 1,207,449.24 = 306,783.78 : x
  2. Step 2: Convert to fraction form
    805,691.94/1,207,449.24 = 306,783.78/x
  3. Step 3: Cross multiply
    805,691.94x = 1,207,449.24 × 306,783.78
  4. Step 4: Simplify right side
    805,691.94x = 370,425,842,005.33
  5. Step 5: Solve for x
    x = 370,425,842,005.33/805,691.94
  6. Step 6: Final answer
    x = 459,761.14

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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.