Finding the Fourth Proportional to 478,583.63, 717,198.69 and 265,445.44
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Solution
The fourth proportional to 478,583.63, 717,198.69 and 265,445.44 is: 397,792.80
Step by Step Solution
- Step 1: Write the proportion equation
478,583.63 : 717,198.69 = 265,445.44 : x - Step 2: Convert to fraction form
478,583.63/717,198.69 = 265,445.44/x - Step 3: Cross multiply
478,583.63x = 717,198.69 × 265,445.44 - Step 4: Simplify right side
478,583.63x = 190,377,120,507.25 - Step 5: Solve for x
x = 190,377,120,507.25/478,583.63 - Step 6: Final answer
x = 397,792.80
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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.