Home / 806,272.08-1,112,627.46-443,661.96

Finding the Fourth Proportional to 806,272.08, 1,112,627.46 and 443,661.96

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Solution

The fourth proportional to 806,272.08, 1,112,627.46 and 443,661.96 is: 612,238.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,272.08 : 1,112,627.46 = 443,661.96 : x
  2. Step 2: Convert to fraction form
    806,272.08/1,112,627.46 = 443,661.96/x
  3. Step 3: Cross multiply
    806,272.08x = 1,112,627.46 × 443,661.96
  4. Step 4: Simplify right side
    806,272.08x = 493,630,479,653.42
  5. Step 5: Solve for x
    x = 493,630,479,653.42/806,272.08
  6. Step 6: Final answer
    x = 612,238.09

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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.