Finding the Fourth Proportional to 949,839.09, 1,310,729.07 and 520,036.08
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Solution
The fourth proportional to 949,839.09, 1,310,729.07 and 520,036.08 is: 717,623.03
Step by Step Solution
- Step 1: Write the proportion equation
949,839.09 : 1,310,729.07 = 520,036.08 : x - Step 2: Convert to fraction form
949,839.09/1,310,729.07 = 520,036.08/x - Step 3: Cross multiply
949,839.09x = 1,310,729.07 × 520,036.08 - Step 4: Simplify right side
949,839.09x = 681,626,407,504.85 - Step 5: Solve for x
x = 681,626,407,504.85/949,839.09 - Step 6: Final answer
x = 717,623.03
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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.