Home / 805,998.94-1,112,278.50-443,415.02

Finding the Fourth Proportional to 805,998.94, 1,112,278.50 and 443,415.02

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Solution

The fourth proportional to 805,998.94, 1,112,278.50 and 443,415.02 is: 611,912.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,998.94 : 1,112,278.50 = 443,415.02 : x
  2. Step 2: Convert to fraction form
    805,998.94/1,112,278.50 = 443,415.02/x
  3. Step 3: Cross multiply
    805,998.94x = 1,112,278.50 × 443,415.02
  4. Step 4: Simplify right side
    805,998.94x = 493,200,987,761.68
  5. Step 5: Solve for x
    x = 493,200,987,761.68/805,998.94
  6. Step 6: Final answer
    x = 611,912.70

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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.