Finding the Fourth Proportional to 821,845.97, 1,134,144.13 and 459,269.75
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Solution
The fourth proportional to 821,845.97, 1,134,144.13 and 459,269.75 is: 633,790.40
Step by Step Solution
- Step 1: Write the proportion equation
821,845.97 : 1,134,144.13 = 459,269.75 : x - Step 2: Convert to fraction form
821,845.97/1,134,144.13 = 459,269.75/x - Step 3: Cross multiply
821,845.97x = 1,134,144.13 × 459,269.75 - Step 4: Simplify right side
821,845.97x = 520,878,084,230.17 - Step 5: Solve for x
x = 520,878,084,230.17/821,845.97 - Step 6: Final answer
x = 633,790.40
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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.