Finding the Fourth Proportional to 863,208, 1,191,213.36 and 481,258.08
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Solution
The fourth proportional to 863,208, 1,191,213.36 and 481,258.08 is: 664,128.52
Step by Step Solution
- Step 1: Write the proportion equation
863,208 : 1,191,213.36 = 481,258.08 : x - Step 2: Convert to fraction form
863,208/1,191,213.36 = 481,258.08/x - Step 3: Cross multiply
863,208x = 1,191,213.36 × 481,258.08 - Step 4: Simplify right side
863,208x = 573,281,054,503.95 - Step 5: Solve for x
x = 573,281,054,503.95/863,208 - Step 6: Final answer
x = 664,128.52
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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.