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Finding the Fourth Proportional to 587,405.26, 810,651.30 and 332,806.06

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Solution

The fourth proportional to 587,405.26, 810,651.30 and 332,806.06 is: 459,290.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,405.26 : 810,651.30 = 332,806.06 : x
  2. Step 2: Convert to fraction form
    587,405.26/810,651.30 = 332,806.06/x
  3. Step 3: Cross multiply
    587,405.26x = 810,651.30 × 332,806.06
  4. Step 4: Simplify right side
    587,405.26x = 269,789,665,186.88
  5. Step 5: Solve for x
    x = 269,789,665,186.88/587,405.26
  6. Step 6: Final answer
    x = 459,290.52

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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.