Finding the Fourth Proportional to 801,185.99, 1,105,662.76 and 438,609.74
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Solution
The fourth proportional to 801,185.99, 1,105,662.76 and 438,609.74 is: 605,295.72
Step by Step Solution
- Step 1: Write the proportion equation
801,185.99 : 1,105,662.76 = 438,609.74 : x - Step 2: Convert to fraction form
801,185.99/1,105,662.76 = 438,609.74/x - Step 3: Cross multiply
801,185.99x = 1,105,662.76 × 438,609.74 - Step 4: Simplify right side
801,185.99x = 484,954,449,066.44 - Step 5: Solve for x
x = 484,954,449,066.44/801,185.99 - Step 6: Final answer
x = 605,295.72
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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.