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Finding the Fourth Proportional to 804,959.64, 1,207,480.80 and 205,926

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Solution

The fourth proportional to 804,959.64, 1,207,480.80 and 205,926 is: 308,899.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,959.64 : 1,207,480.80 = 205,926 : x
  2. Step 2: Convert to fraction form
    804,959.64/1,207,480.80 = 205,926/x
  3. Step 3: Cross multiply
    804,959.64x = 1,207,480.80 × 205,926
  4. Step 4: Simplify right side
    804,959.64x = 248,651,691,220.80
  5. Step 5: Solve for x
    x = 248,651,691,220.80/804,959.64
  6. Step 6: Final answer
    x = 308,899.58

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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.