Home / 805,956.36-1,112,175.84-443,321.67

Finding the Fourth Proportional to 805,956.36, 1,112,175.84 and 443,321.67

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Solution

The fourth proportional to 805,956.36, 1,112,175.84 and 443,321.67 is: 611,759.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,956.36 : 1,112,175.84 = 443,321.67 : x
  2. Step 2: Convert to fraction form
    805,956.36/1,112,175.84 = 443,321.67/x
  3. Step 3: Cross multiply
    805,956.36x = 1,112,175.84 × 443,321.67
  4. Step 4: Simplify right side
    805,956.36x = 493,051,650,722.45
  5. Step 5: Solve for x
    x = 493,051,650,722.45/805,956.36
  6. Step 6: Final answer
    x = 611,759.74

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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.