Home / 787,664.66-1,086,833.85-443,447.06

Finding the Fourth Proportional to 787,664.66, 1,086,833.85 and 443,447.06

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Solution

The fourth proportional to 787,664.66, 1,086,833.85 and 443,447.06 is: 611,876.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,664.66 : 1,086,833.85 = 443,447.06 : x
  2. Step 2: Convert to fraction form
    787,664.66/1,086,833.85 = 443,447.06/x
  3. Step 3: Cross multiply
    787,664.66x = 1,086,833.85 × 443,447.06
  4. Step 4: Simplify right side
    787,664.66x = 481,953,275,490.98
  5. Step 5: Solve for x
    x = 481,953,275,490.98/787,664.66
  6. Step 6: Final answer
    x = 611,876.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.