Finding the Fourth Proportional to 790,184.26, 1,090,454.28 and 427,608.12
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Solution
The fourth proportional to 790,184.26, 1,090,454.28 and 427,608.12 is: 590,099.21
Step by Step Solution
- Step 1: Write the proportion equation
790,184.26 : 1,090,454.28 = 427,608.12 : x - Step 2: Convert to fraction form
790,184.26/1,090,454.28 = 427,608.12/x - Step 3: Cross multiply
790,184.26x = 1,090,454.28 × 427,608.12 - Step 4: Simplify right side
790,184.26x = 466,287,104,616.75 - Step 5: Solve for x
x = 466,287,104,616.75/790,184.26 - Step 6: Final answer
x = 590,099.21
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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.