Home / 805,694.45-1,208,620.58-293,498.78

Finding the Fourth Proportional to 805,694.45, 1,208,620.58 and 293,498.78

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Solution

The fourth proportional to 805,694.45, 1,208,620.58 and 293,498.78 is: 440,276.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,694.45 : 1,208,620.58 = 293,498.78 : x
  2. Step 2: Convert to fraction form
    805,694.45/1,208,620.58 = 293,498.78/x
  3. Step 3: Cross multiply
    805,694.45x = 1,208,620.58 × 293,498.78
  4. Step 4: Simplify right side
    805,694.45x = 354,728,658,202.30
  5. Step 5: Solve for x
    x = 354,728,658,202.30/805,694.45
  6. Step 6: Final answer
    x = 440,276.91

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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.