Finding the Fourth Proportional to 790,177.26, 1,090,436.31 and 427,593.18
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Solution
The fourth proportional to 790,177.26, 1,090,436.31 and 427,593.18 is: 590,074.09
Step by Step Solution
- Step 1: Write the proportion equation
790,177.26 : 1,090,436.31 = 427,593.18 : x - Step 2: Convert to fraction form
790,177.26/1,090,436.31 = 427,593.18/x - Step 3: Cross multiply
790,177.26x = 1,090,436.31 × 427,593.18 - Step 4: Simplify right side
790,177.26x = 466,263,129,380.37 - Step 5: Solve for x
x = 466,263,129,380.37/790,177.26 - Step 6: Final answer
x = 590,074.09
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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.