Finding the Fourth Proportional to 741,741.10, 1,112,320.50 and 261,866.49
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Solution
The fourth proportional to 741,741.10, 1,112,320.50 and 261,866.49 is: 392,696.95
Step by Step Solution
- Step 1: Write the proportion equation
741,741.10 : 1,112,320.50 = 261,866.49 : x - Step 2: Convert to fraction form
741,741.10/1,112,320.50 = 261,866.49/x - Step 3: Cross multiply
741,741.10x = 1,112,320.50 × 261,866.49 - Step 4: Simplify right side
741,741.10x = 291,279,465,090.05 - Step 5: Solve for x
x = 291,279,465,090.05/741,741.10 - Step 6: Final answer
x = 392,696.95
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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.