Finding the Fourth Proportional to 910,963.83, 1,365,531.24 and 311,514.84
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Solution
The fourth proportional to 910,963.83, 1,365,531.24 and 311,514.84 is: 466,959.53
Step by Step Solution
- Step 1: Write the proportion equation
910,963.83 : 1,365,531.24 = 311,514.84 : x - Step 2: Convert to fraction form
910,963.83/1,365,531.24 = 311,514.84/x - Step 3: Cross multiply
910,963.83x = 1,365,531.24 × 311,514.84 - Step 4: Simplify right side
910,963.83x = 425,383,245,743.60 - Step 5: Solve for x
x = 425,383,245,743.60/910,963.83 - Step 6: Final answer
x = 466,959.53
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.