Home / 800,346.07-1,200,521.13-327,031.43

Finding the Fourth Proportional to 800,346.07, 1,200,521.13 and 327,031.43

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Solution

The fourth proportional to 800,346.07, 1,200,521.13 and 327,031.43 is: 490,547.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,346.07 : 1,200,521.13 = 327,031.43 : x
  2. Step 2: Convert to fraction form
    800,346.07/1,200,521.13 = 327,031.43/x
  3. Step 3: Cross multiply
    800,346.07x = 1,200,521.13 × 327,031.43
  4. Step 4: Simplify right side
    800,346.07x = 392,608,141,889.12
  5. Step 5: Solve for x
    x = 392,608,141,889.12/800,346.07
  6. Step 6: Final answer
    x = 490,547.97

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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.