Finding the Fourth Proportional to 846,163.97, 1,269,246.42 and 419,994.21
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Solution
The fourth proportional to 846,163.97, 1,269,246.42 and 419,994.21 is: 629,991.55
Step by Step Solution
- Step 1: Write the proportion equation
846,163.97 : 1,269,246.42 = 419,994.21 : x - Step 2: Convert to fraction form
846,163.97/1,269,246.42 = 419,994.21/x - Step 3: Cross multiply
846,163.97x = 1,269,246.42 × 419,994.21 - Step 4: Simplify right side
846,163.97x = 533,076,147,463.23 - Step 5: Solve for x
x = 533,076,147,463.23/846,163.97 - Step 6: Final answer
x = 629,991.55
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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.