Home / 681,837.75-1,022,761.75-302,656.55

Finding the Fourth Proportional to 681,837.75, 1,022,761.75 and 302,656.55

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Solution

The fourth proportional to 681,837.75, 1,022,761.75 and 302,656.55 is: 453,987.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,837.75 : 1,022,761.75 = 302,656.55 : x
  2. Step 2: Convert to fraction form
    681,837.75/1,022,761.75 = 302,656.55/x
  3. Step 3: Cross multiply
    681,837.75x = 1,022,761.75 × 302,656.55
  4. Step 4: Simplify right side
    681,837.75x = 309,545,543,602.62
  5. Step 5: Solve for x
    x = 309,545,543,602.62/681,837.75
  6. Step 6: Final answer
    x = 453,987.10

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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.