Finding the Fourth Proportional to 741,318.40, 1,112,116.68 and 336,538.96
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Solution
The fourth proportional to 741,318.40, 1,112,116.68 and 336,538.96 is: 504,871.58
Step by Step Solution
- Step 1: Write the proportion equation
741,318.40 : 1,112,116.68 = 336,538.96 : x - Step 2: Convert to fraction form
741,318.40/1,112,116.68 = 336,538.96/x - Step 3: Cross multiply
741,318.40x = 1,112,116.68 × 336,538.96 - Step 4: Simplify right side
741,318.40x = 374,270,590,885.85 - Step 5: Solve for x
x = 374,270,590,885.85/741,318.40 - Step 6: Final answer
x = 504,871.58
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1.5x scale
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.