Finding the Fourth Proportional to 585,107.70, 820,256.70 and 585,107.70
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Solution
The fourth proportional to 585,107.70, 820,256.70 and 585,107.70 is: 820,256.70
Step by Step Solution
- Step 1: Write the proportion equation
585,107.70 : 820,256.70 = 585,107.70 : x - Step 2: Convert to fraction form
585,107.70/820,256.70 = 585,107.70/x - Step 3: Cross multiply
585,107.70x = 820,256.70 × 585,107.70 - Step 4: Simplify right side
585,107.70x = 479,938,511,146.59 - Step 5: Solve for x
x = 479,938,511,146.59/585,107.70 - Step 6: Final answer
x = 820,256.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.