Home / 855,491.26-1,180,702.30-492,844.54

Finding the Fourth Proportional to 855,491.26, 1,180,702.30 and 492,844.54

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Solution

The fourth proportional to 855,491.26, 1,180,702.30 and 492,844.54 is: 680,197.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,491.26 : 1,180,702.30 = 492,844.54 : x
  2. Step 2: Convert to fraction form
    855,491.26/1,180,702.30 = 492,844.54/x
  3. Step 3: Cross multiply
    855,491.26x = 1,180,702.30 × 492,844.54
  4. Step 4: Simplify right side
    855,491.26x = 581,902,681,920.44
  5. Step 5: Solve for x
    x = 581,902,681,920.44/855,491.26
  6. Step 6: Final answer
    x = 680,197.11

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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.