Finding the Fourth Proportional to 722,202.97, 996,627.83 and 399,906.14
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Solution
The fourth proportional to 722,202.97, 996,627.83 and 399,906.14 is: 551,863.69
Step by Step Solution
- Step 1: Write the proportion equation
722,202.97 : 996,627.83 = 399,906.14 : x - Step 2: Convert to fraction form
722,202.97/996,627.83 = 399,906.14/x - Step 3: Cross multiply
722,202.97x = 996,627.83 × 399,906.14 - Step 4: Simplify right side
722,202.97x = 398,557,594,575.58 - Step 5: Solve for x
x = 398,557,594,575.58/722,202.97 - Step 6: Final answer
x = 551,863.69
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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.