Home / 805,579.66-1,111,676.43-443,003.14

Finding the Fourth Proportional to 805,579.66, 1,111,676.43 and 443,003.14

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Solution

The fourth proportional to 805,579.66, 1,111,676.43 and 443,003.14 is: 611,331.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,579.66 : 1,111,676.43 = 443,003.14 : x
  2. Step 2: Convert to fraction form
    805,579.66/1,111,676.43 = 443,003.14/x
  3. Step 3: Cross multiply
    805,579.66x = 1,111,676.43 × 443,003.14
  4. Step 4: Simplify right side
    805,579.66x = 492,476,149,153.99
  5. Step 5: Solve for x
    x = 492,476,149,153.99/805,579.66
  6. Step 6: Final answer
    x = 611,331.41

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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.