Home / 811,846.00-1,120,349.66-449,294.86

Finding the Fourth Proportional to 811,846.00, 1,120,349.66 and 449,294.86

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Solution

The fourth proportional to 811,846.00, 1,120,349.66 and 449,294.86 is: 620,028.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,846.00 : 1,120,349.66 = 449,294.86 : x
  2. Step 2: Convert to fraction form
    811,846.00/1,120,349.66 = 449,294.86/x
  3. Step 3: Cross multiply
    811,846.00x = 1,120,349.66 × 449,294.86
  4. Step 4: Simplify right side
    811,846.00x = 503,367,346,164.42
  5. Step 5: Solve for x
    x = 503,367,346,164.42/811,846.00
  6. Step 6: Final answer
    x = 620,028.12

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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.