Finding the Fourth Proportional to 990,523.14, 1,366,926.96 and 560,886.99
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Solution
The fourth proportional to 990,523.14, 1,366,926.96 and 560,886.99 is: 774,026.89
Step by Step Solution
- Step 1: Write the proportion equation
990,523.14 : 1,366,926.96 = 560,886.99 : x - Step 2: Convert to fraction form
990,523.14/1,366,926.96 = 560,886.99/x - Step 3: Cross multiply
990,523.14x = 1,366,926.96 × 560,886.99 - Step 4: Simplify right side
990,523.14x = 766,691,548,144.25 - Step 5: Solve for x
x = 766,691,548,144.25/990,523.14 - Step 6: Final answer
x = 774,026.89
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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.