Finding the Fourth Proportional to 994,356.18, 1,372,204.53 and 541,647.18
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Solution
The fourth proportional to 994,356.18, 1,372,204.53 and 541,647.18 is: 747,469.30
Step by Step Solution
- Step 1: Write the proportion equation
994,356.18 : 1,372,204.53 = 541,647.18 : x - Step 2: Convert to fraction form
994,356.18/1,372,204.53 = 541,647.18/x - Step 3: Cross multiply
994,356.18x = 1,372,204.53 × 541,647.18 - Step 4: Simplify right side
994,356.18x = 743,250,714,057.73 - Step 5: Solve for x
x = 743,250,714,057.73/994,356.18 - Step 6: Final answer
x = 747,469.30
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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.