Finding the Fourth Proportional to 811,049.76, 1,119,236.99 and 448,465.64
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Solution
The fourth proportional to 811,049.76, 1,119,236.99 and 448,465.64 is: 618,876.12
Step by Step Solution
- Step 1: Write the proportion equation
811,049.76 : 1,119,236.99 = 448,465.64 : x - Step 2: Convert to fraction form
811,049.76/1,119,236.99 = 448,465.64/x - Step 3: Cross multiply
811,049.76x = 1,119,236.99 × 448,465.64 - Step 4: Simplify right side
811,049.76x = 501,939,325,193.51 - Step 5: Solve for x
x = 501,939,325,193.51/811,049.76 - Step 6: Final answer
x = 618,876.12
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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.