Finding the Fourth Proportional to 788,616.06, 1,183,766.13 and 339,559.26
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Solution
The fourth proportional to 788,616.06, 1,183,766.13 and 339,559.26 is: 509,701.45
Step by Step Solution
- Step 1: Write the proportion equation
788,616.06 : 1,183,766.13 = 339,559.26 : x - Step 2: Convert to fraction form
788,616.06/1,183,766.13 = 339,559.26/x - Step 3: Cross multiply
788,616.06x = 1,183,766.13 × 339,559.26 - Step 4: Simplify right side
788,616.06x = 401,958,743,499.24 - Step 5: Solve for x
x = 401,958,743,499.24/788,616.06 - Step 6: Final answer
x = 509,701.45
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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.