Finding the Fourth Proportional to 682,961.68, 1,024,594.80 and 209,694.88
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Solution
The fourth proportional to 682,961.68, 1,024,594.80 and 209,694.88 is: 314,589.08
Step by Step Solution
- Step 1: Write the proportion equation
682,961.68 : 1,024,594.80 = 209,694.88 : x - Step 2: Convert to fraction form
682,961.68/1,024,594.80 = 209,694.88/x - Step 3: Cross multiply
682,961.68x = 1,024,594.80 × 209,694.88 - Step 4: Simplify right side
682,961.68x = 214,852,283,634.62 - Step 5: Solve for x
x = 214,852,283,634.62/682,961.68 - Step 6: Final answer
x = 314,589.08
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.