Finding the Fourth Proportional to 811,183.97, 1,119,427.34 and 448,623.11
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Solution
The fourth proportional to 811,183.97, 1,119,427.34 and 448,623.11 is: 619,096.27
Step by Step Solution
- Step 1: Write the proportion equation
811,183.97 : 1,119,427.34 = 448,623.11 : x - Step 2: Convert to fraction form
811,183.97/1,119,427.34 = 448,623.11/x - Step 3: Cross multiply
811,183.97x = 1,119,427.34 × 448,623.11 - Step 4: Simplify right side
811,183.97x = 502,200,966,849.58 - Step 5: Solve for x
x = 502,200,966,849.58/811,183.97 - Step 6: Final answer
x = 619,096.27
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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.