Home / 800,346.11-1,200,521.18-327,031.47

Finding the Fourth Proportional to 800,346.11, 1,200,521.18 and 327,031.47

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Solution

The fourth proportional to 800,346.11, 1,200,521.18 and 327,031.47 is: 490,548.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,346.11 : 1,200,521.18 = 327,031.47 : x
  2. Step 2: Convert to fraction form
    800,346.11/1,200,521.18 = 327,031.47/x
  3. Step 3: Cross multiply
    800,346.11x = 1,200,521.18 × 327,031.47
  4. Step 4: Simplify right side
    800,346.11x = 392,608,207,079.11
  5. Step 5: Solve for x
    x = 392,608,207,079.11/800,346.11
  6. Step 6: Final answer
    x = 490,548.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.