Finding the Fourth Proportional to 920,092.14, 1,269,713.46 and 512,193.24
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Solution
The fourth proportional to 920,092.14, 1,269,713.46 and 512,193.24 is: 706,819.05
Step by Step Solution
- Step 1: Write the proportion equation
920,092.14 : 1,269,713.46 = 512,193.24 : x - Step 2: Convert to fraction form
920,092.14/1,269,713.46 = 512,193.24/x - Step 3: Cross multiply
920,092.14x = 1,269,713.46 × 512,193.24 - Step 4: Simplify right side
920,092.14x = 650,338,650,949.01 - Step 5: Solve for x
x = 650,338,650,949.01/920,092.14 - Step 6: Final answer
x = 706,819.05
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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.