Home / 805,704.57-1,208,635.79-293,508.90

Finding the Fourth Proportional to 805,704.57, 1,208,635.79 and 293,508.90

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Solution

The fourth proportional to 805,704.57, 1,208,635.79 and 293,508.90 is: 440,292.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,704.57 : 1,208,635.79 = 293,508.90 : x
  2. Step 2: Convert to fraction form
    805,704.57/1,208,635.79 = 293,508.90/x
  3. Step 3: Cross multiply
    805,704.57x = 1,208,635.79 × 293,508.90
  4. Step 4: Simplify right side
    805,704.57x = 354,745,359,755.99
  5. Step 5: Solve for x
    x = 354,745,359,755.99/805,704.57
  6. Step 6: Final answer
    x = 440,292.10

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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.