Home / 855,489.26-1,180,699.54-492,842.54

Finding the Fourth Proportional to 855,489.26, 1,180,699.54 and 492,842.54

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Solution

The fourth proportional to 855,489.26, 1,180,699.54 and 492,842.54 is: 680,194.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,489.26 : 1,180,699.54 = 492,842.54 : x
  2. Step 2: Convert to fraction form
    855,489.26/1,180,699.54 = 492,842.54/x
  3. Step 3: Cross multiply
    855,489.26x = 1,180,699.54 × 492,842.54
  4. Step 4: Simplify right side
    855,489.26x = 581,898,960,270.43
  5. Step 5: Solve for x
    x = 581,898,960,270.43/855,489.26
  6. Step 6: Final answer
    x = 680,194.35

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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.