Home / 885,806.40-1,328,709.60-325,059.60

Finding the Fourth Proportional to 885,806.40, 1,328,709.60 and 325,059.60

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Solution

The fourth proportional to 885,806.40, 1,328,709.60 and 325,059.60 is: 487,589.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,806.40 : 1,328,709.60 = 325,059.60 : x
  2. Step 2: Convert to fraction form
    885,806.40/1,328,709.60 = 325,059.60/x
  3. Step 3: Cross multiply
    885,806.40x = 1,328,709.60 × 325,059.60
  4. Step 4: Simplify right side
    885,806.40x = 431,909,811,092.16
  5. Step 5: Solve for x
    x = 431,909,811,092.16/885,806.40
  6. Step 6: Final answer
    x = 487,589.40

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Similar ratio
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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.