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Finding the Fourth Proportional to 587,644.74, 881,716.14 and 321,093.84

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Solution

The fourth proportional to 587,644.74, 881,716.14 and 321,093.84 is: 481,776.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,644.74 : 881,716.14 = 321,093.84 : x
  2. Step 2: Convert to fraction form
    587,644.74/881,716.14 = 321,093.84/x
  3. Step 3: Cross multiply
    587,644.74x = 881,716.14 × 321,093.84
  4. Step 4: Simplify right side
    587,644.74x = 283,113,621,182.58
  5. Step 5: Solve for x
    x = 283,113,621,182.58/587,644.74
  6. Step 6: Final answer
    x = 481,776.83

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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.