Finding the Fourth Proportional to 821,364.26, 1,229,048.99 and 484,566.26
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Solution
The fourth proportional to 821,364.26, 1,229,048.99 and 484,566.26 is: 725,081.06
Step by Step Solution
- Step 1: Write the proportion equation
821,364.26 : 1,229,048.99 = 484,566.26 : x - Step 2: Convert to fraction form
821,364.26/1,229,048.99 = 484,566.26/x - Step 3: Cross multiply
821,364.26x = 1,229,048.99 × 484,566.26 - Step 4: Simplify right side
821,364.26x = 595,555,670,018.25 - Step 5: Solve for x
x = 595,555,670,018.25/821,364.26 - Step 6: Final answer
x = 725,081.06
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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.