Finding the Fourth Proportional to 990,514.12, 1,366,895.46 and 560,783.08
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Solution
The fourth proportional to 990,514.12, 1,366,895.46 and 560,783.08 is: 773,872.71
Step by Step Solution
- Step 1: Write the proportion equation
990,514.12 : 1,366,895.46 = 560,783.08 : x - Step 2: Convert to fraction form
990,514.12/1,366,895.46 = 560,783.08/x - Step 3: Cross multiply
990,514.12x = 1,366,895.46 × 560,783.08 - Step 4: Simplify right side
990,514.12x = 766,531,846,096.82 - Step 5: Solve for x
x = 766,531,846,096.82/990,514.12 - Step 6: Final answer
x = 773,872.71
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.