Finding the Fourth Proportional to 676,805.63, 933,991.97 and 404,884.98
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Solution
The fourth proportional to 676,805.63, 933,991.97 and 404,884.98 is: 558,741.39
Step by Step Solution
- Step 1: Write the proportion equation
676,805.63 : 933,991.97 = 404,884.98 : x - Step 2: Convert to fraction form
676,805.63/933,991.97 = 404,884.98/x - Step 3: Cross multiply
676,805.63x = 933,991.97 × 404,884.98 - Step 4: Simplify right side
676,805.63x = 378,159,318,069.19 - Step 5: Solve for x
x = 378,159,318,069.19/676,805.63 - Step 6: Final answer
x = 558,741.39
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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.