Home / 807,820.20-1,211,730.30-246,849.88

Finding the Fourth Proportional to 807,820.20, 1,211,730.30 and 246,849.88

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Solution

The fourth proportional to 807,820.20, 1,211,730.30 and 246,849.88 is: 370,274.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,820.20 : 1,211,730.30 = 246,849.88 : x
  2. Step 2: Convert to fraction form
    807,820.20/1,211,730.30 = 246,849.88/x
  3. Step 3: Cross multiply
    807,820.20x = 1,211,730.30 × 246,849.88
  4. Step 4: Simplify right side
    807,820.20x = 299,115,479,147.36
  5. Step 5: Solve for x
    x = 299,115,479,147.36/807,820.20
  6. Step 6: Final answer
    x = 370,274.82

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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.