Finding the Fourth Proportional to 637,975.67, 880,405.94 and 351,495.75
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Solution
The fourth proportional to 637,975.67, 880,405.94 and 351,495.75 is: 485,063.87
Step by Step Solution
- Step 1: Write the proportion equation
637,975.67 : 880,405.94 = 351,495.75 : x - Step 2: Convert to fraction form
637,975.67/880,405.94 = 351,495.75/x - Step 3: Cross multiply
637,975.67x = 880,405.94 × 351,495.75 - Step 4: Simplify right side
637,975.67x = 309,458,944,427.28 - Step 5: Solve for x
x = 309,458,944,427.28/637,975.67 - Step 6: Final answer
x = 485,063.87
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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.