Finding the Fourth Proportional to 996,112.26, 1,374,633.18 and 543,403.26
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Solution
The fourth proportional to 996,112.26, 1,374,633.18 and 543,403.26 is: 749,895.55
Step by Step Solution
- Step 1: Write the proportion equation
996,112.26 : 1,374,633.18 = 543,403.26 : x - Step 2: Convert to fraction form
996,112.26/1,374,633.18 = 543,403.26/x - Step 3: Cross multiply
996,112.26x = 1,374,633.18 × 543,403.26 - Step 4: Simplify right side
996,112.26x = 746,980,151,316.17 - Step 5: Solve for x
x = 746,980,151,316.17/996,112.26 - Step 6: Final answer
x = 749,895.55
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1.5x scale
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.