Finding the Fourth Proportional to 777,622.26, 1,166,433.38 and 186,646.26
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Solution
The fourth proportional to 777,622.26, 1,166,433.38 and 186,646.26 is: 279,969.39
Step by Step Solution
- Step 1: Write the proportion equation
777,622.26 : 1,166,433.38 = 186,646.26 : x - Step 2: Convert to fraction form
777,622.26/1,166,433.38 = 186,646.26/x - Step 3: Cross multiply
777,622.26x = 1,166,433.38 × 186,646.26 - Step 4: Simplify right side
777,622.26x = 217,710,427,916.16 - Step 5: Solve for x
x = 217,710,427,916.16/777,622.26 - Step 6: Final answer
x = 279,969.39
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1.5x scale
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.