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Finding the Fourth Proportional to 580,696.36, 801,447.78 and 354,473.32

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Solution

The fourth proportional to 580,696.36, 801,447.78 and 354,473.32 is: 489,226.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,696.36 : 801,447.78 = 354,473.32 : x
  2. Step 2: Convert to fraction form
    580,696.36/801,447.78 = 354,473.32/x
  3. Step 3: Cross multiply
    580,696.36x = 801,447.78 × 354,473.32
  4. Step 4: Simplify right side
    580,696.36x = 284,091,855,383.23
  5. Step 5: Solve for x
    x = 284,091,855,383.23/580,696.36
  6. Step 6: Final answer
    x = 489,226.17

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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.