Finding the Fourth Proportional to 788,806.63, 1,183,329.83 and 290,131.75
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Solution
The fourth proportional to 788,806.63, 1,183,329.83 and 290,131.75 is: 435,241.72
Step by Step Solution
- Step 1: Write the proportion equation
788,806.63 : 1,183,329.83 = 290,131.75 : x - Step 2: Convert to fraction form
788,806.63/1,183,329.83 = 290,131.75/x - Step 3: Cross multiply
788,806.63x = 1,183,329.83 × 290,131.75 - Step 4: Simplify right side
788,806.63x = 343,321,554,405.10 - Step 5: Solve for x
x = 343,321,554,405.10/788,806.63 - Step 6: Final answer
x = 435,241.72
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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.