Finding the Fourth Proportional to 801,918.12, 1,202,517.66 and 477,859.05
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Solution
The fourth proportional to 801,918.12, 1,202,517.66 and 477,859.05 is: 716,574.34
Step by Step Solution
- Step 1: Write the proportion equation
801,918.12 : 1,202,517.66 = 477,859.05 : x - Step 2: Convert to fraction form
801,918.12/1,202,517.66 = 477,859.05/x - Step 3: Cross multiply
801,918.12x = 1,202,517.66 × 477,859.05 - Step 4: Simplify right side
801,918.12x = 574,633,946,615.82 - Step 5: Solve for x
x = 574,633,946,615.82/801,918.12 - Step 6: Final answer
x = 716,574.34
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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.