Home / 812,093.17-1,120,589.79-449,494.96

Finding the Fourth Proportional to 812,093.17, 1,120,589.79 and 449,494.96

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Solution

The fourth proportional to 812,093.17, 1,120,589.79 and 449,494.96 is: 620,248.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    812,093.17 : 1,120,589.79 = 449,494.96 : x
  2. Step 2: Convert to fraction form
    812,093.17/1,120,589.79 = 449,494.96/x
  3. Step 3: Cross multiply
    812,093.17x = 1,120,589.79 × 449,494.96
  4. Step 4: Simplify right side
    812,093.17x = 503,699,462,832.46
  5. Step 5: Solve for x
    x = 503,699,462,832.46/812,093.17
  6. Step 6: Final answer
    x = 620,248.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.