Finding the Fourth Proportional to 786,082.99, 1,179,058.66 and 217,471.19
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Solution
The fourth proportional to 786,082.99, 1,179,058.66 and 217,471.19 is: 326,188.58
Step by Step Solution
- Step 1: Write the proportion equation
786,082.99 : 1,179,058.66 = 217,471.19 : x - Step 2: Convert to fraction form
786,082.99/1,179,058.66 = 217,471.19/x - Step 3: Cross multiply
786,082.99x = 1,179,058.66 × 217,471.19 - Step 4: Simplify right side
786,082.99x = 256,411,293,089.49 - Step 5: Solve for x
x = 256,411,293,089.49/786,082.99 - Step 6: Final answer
x = 326,188.58
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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.