Finding the Fourth Proportional to 992,850.18, 1,489,897.35 and 401,874.18
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Solution
The fourth proportional to 992,850.18, 1,489,897.35 and 401,874.18 is: 603,063.07
Step by Step Solution
- Step 1: Write the proportion equation
992,850.18 : 1,489,897.35 = 401,874.18 : x - Step 2: Convert to fraction form
992,850.18/1,489,897.35 = 401,874.18/x - Step 3: Cross multiply
992,850.18x = 1,489,897.35 × 401,874.18 - Step 4: Simplify right side
992,850.18x = 598,751,275,815.42 - Step 5: Solve for x
x = 598,751,275,815.42/992,850.18 - Step 6: Final answer
x = 603,063.07
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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.