Finding the Fourth Proportional to 637,975.44, 880,405.63 and 351,495.53
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Solution
The fourth proportional to 637,975.44, 880,405.63 and 351,495.53 is: 485,063.56
Step by Step Solution
- Step 1: Write the proportion equation
637,975.44 : 880,405.63 = 351,495.53 : x - Step 2: Convert to fraction form
637,975.44/880,405.63 = 351,495.53/x - Step 3: Cross multiply
637,975.44x = 880,405.63 × 351,495.53 - Step 4: Simplify right side
637,975.44x = 309,458,638,251.07 - Step 5: Solve for x
x = 309,458,638,251.07/637,975.44 - Step 6: Final answer
x = 485,063.56
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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.