Home / 808,537.22-1,212,926.87-261,246.66

Finding the Fourth Proportional to 808,537.22, 1,212,926.87 and 261,246.66

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Solution

The fourth proportional to 808,537.22, 1,212,926.87 and 261,246.66 is: 391,909.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,537.22 : 1,212,926.87 = 261,246.66 : x
  2. Step 2: Convert to fraction form
    808,537.22/1,212,926.87 = 261,246.66/x
  3. Step 3: Cross multiply
    808,537.22x = 1,212,926.87 × 261,246.66
  4. Step 4: Simplify right side
    808,537.22x = 316,873,093,611.75
  5. Step 5: Solve for x
    x = 316,873,093,611.75/808,537.22
  6. Step 6: Final answer
    x = 391,909.10

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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.