Finding the Fourth Proportional to 741,028.80, 1,022,611.68 and 401,476.80
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Solution
The fourth proportional to 741,028.80, 1,022,611.68 and 401,476.80 is: 554,033.62
Step by Step Solution
- Step 1: Write the proportion equation
741,028.80 : 1,022,611.68 = 401,476.80 : x - Step 2: Convert to fraction form
741,028.80/1,022,611.68 = 401,476.80/x - Step 3: Cross multiply
741,028.80x = 1,022,611.68 × 401,476.80 - Step 4: Simplify right side
741,028.80x = 410,554,864,929.02 - Step 5: Solve for x
x = 410,554,864,929.02/741,028.80 - Step 6: Final answer
x = 554,033.62
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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.