Finding the Fourth Proportional to 793,738.08, 1,190,771.14 and 261,291.06
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Solution
The fourth proportional to 793,738.08, 1,190,771.14 and 261,291.06 is: 391,990.58
Step by Step Solution
- Step 1: Write the proportion equation
793,738.08 : 1,190,771.14 = 261,291.06 : x - Step 2: Convert to fraction form
793,738.08/1,190,771.14 = 261,291.06/x - Step 3: Cross multiply
793,738.08x = 1,190,771.14 × 261,291.06 - Step 4: Simplify right side
793,738.08x = 311,137,853,388.01 - Step 5: Solve for x
x = 311,137,853,388.01/793,738.08 - Step 6: Final answer
x = 391,990.58
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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.