Finding the Fourth Proportional to 490,425.84, 676,850.58 and 275,566.32
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Solution
The fourth proportional to 490,425.84, 676,850.58 and 275,566.32 is: 380,316.88
Step by Step Solution
- Step 1: Write the proportion equation
490,425.84 : 676,850.58 = 275,566.32 : x - Step 2: Convert to fraction form
490,425.84/676,850.58 = 275,566.32/x - Step 3: Cross multiply
490,425.84x = 676,850.58 × 275,566.32 - Step 4: Simplify right side
490,425.84x = 186,517,223,520.47 - Step 5: Solve for x
x = 186,517,223,520.47/490,425.84 - Step 6: Final answer
x = 380,316.88
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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.