Finding the Fourth Proportional to 798,843.05, 1,102,410.90 and 454,662.09
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Solution
The fourth proportional to 798,843.05, 1,102,410.90 and 454,662.09 is: 627,437.95
Step by Step Solution
- Step 1: Write the proportion equation
798,843.05 : 1,102,410.90 = 454,662.09 : x - Step 2: Convert to fraction form
798,843.05/1,102,410.90 = 454,662.09/x - Step 3: Cross multiply
798,843.05x = 1,102,410.90 × 454,662.09 - Step 4: Simplify right side
798,843.05x = 501,224,443,832.78 - Step 5: Solve for x
x = 501,224,443,832.78/798,843.05 - Step 6: Final answer
x = 627,437.95
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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.