Home / 850,198.82-1,173,275.61-463,015.06

Finding the Fourth Proportional to 850,198.82, 1,173,275.61 and 463,015.06

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Solution

The fourth proportional to 850,198.82, 1,173,275.61 and 463,015.06 is: 638,961.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,198.82 : 1,173,275.61 = 463,015.06 : x
  2. Step 2: Convert to fraction form
    850,198.82/1,173,275.61 = 463,015.06/x
  3. Step 3: Cross multiply
    850,198.82x = 1,173,275.61 × 463,015.06
  4. Step 4: Simplify right side
    850,198.82x = 543,244,280,163.59
  5. Step 5: Solve for x
    x = 543,244,280,163.59/850,198.82
  6. Step 6: Final answer
    x = 638,961.46

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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.