Finding the Fourth Proportional to 738,316.24, 1,107,528.63 and 265,005.70
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Solution
The fourth proportional to 738,316.24, 1,107,528.63 and 265,005.70 is: 397,528.03
Step by Step Solution
- Step 1: Write the proportion equation
738,316.24 : 1,107,528.63 = 265,005.70 : x - Step 2: Convert to fraction form
738,316.24/1,107,528.63 = 265,005.70/x - Step 3: Cross multiply
738,316.24x = 1,107,528.63 × 265,005.70 - Step 4: Simplify right side
738,316.24x = 293,501,399,863.19 - Step 5: Solve for x
x = 293,501,399,863.19/738,316.24 - Step 6: Final answer
x = 397,528.03
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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.