Finding the Fourth Proportional to 850.61, 1,173.62 and 519.19
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Solution
The fourth proportional to 850.61, 1,173.62 and 519.19 is: 716.34
Step by Step Solution
- Step 1: Write the proportion equation
850.61 : 1,173.62 = 519.19 : x - Step 2: Convert to fraction form
850.61/1,173.62 = 519.19/x - Step 3: Cross multiply
850.61x = 1,173.62 × 519.19 - Step 4: Simplify right side
850.61x = 609,330.13 - Step 5: Solve for x
x = 609,330.13/850.61 - Step 6: Final answer
x = 716.34
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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.