Home / 805,834.32-1,112,077.80-443,286.02

Finding the Fourth Proportional to 805,834.32, 1,112,077.80 and 443,286.02

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Solution

The fourth proportional to 805,834.32, 1,112,077.80 and 443,286.02 is: 611,749.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,834.32 : 1,112,077.80 = 443,286.02 : x
  2. Step 2: Convert to fraction form
    805,834.32/1,112,077.80 = 443,286.02/x
  3. Step 3: Cross multiply
    805,834.32x = 1,112,077.80 × 443,286.02
  4. Step 4: Simplify right side
    805,834.32x = 492,968,536,331.97
  5. Step 5: Solve for x
    x = 492,968,536,331.97/805,834.32
  6. Step 6: Final answer
    x = 611,749.24

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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.