Finding the Fourth Proportional to 946,563.09, 1,419,844.64 and 281,715.09
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Solution
The fourth proportional to 946,563.09, 1,419,844.64 and 281,715.09 is: 422,572.64
Step by Step Solution
- Step 1: Write the proportion equation
946,563.09 : 1,419,844.64 = 281,715.09 : x - Step 2: Convert to fraction form
946,563.09/1,419,844.64 = 281,715.09/x - Step 3: Cross multiply
946,563.09x = 1,419,844.64 × 281,715.09 - Step 4: Simplify right side
946,563.09x = 399,991,666,044.11 - Step 5: Solve for x
x = 399,991,666,044.11/946,563.09 - Step 6: Final answer
x = 422,572.64
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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.