Finding the Fourth Proportional to 786,082.79, 1,084,734.59 and 441,863.98
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Solution
The fourth proportional to 786,082.79, 1,084,734.59 and 441,863.98 is: 609,738.75
Step by Step Solution
- Step 1: Write the proportion equation
786,082.79 : 1,084,734.59 = 441,863.98 : x - Step 2: Convert to fraction form
786,082.79/1,084,734.59 = 441,863.98/x - Step 3: Cross multiply
786,082.79x = 1,084,734.59 × 441,863.98 - Step 4: Simplify right side
786,082.79x = 479,305,138,259.91 - Step 5: Solve for x
x = 479,305,138,259.91/786,082.79 - Step 6: Final answer
x = 609,738.75
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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.