Finding the Fourth Proportional to 741,929.25, 1,112,146.11 and 292,476.18
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Solution
The fourth proportional to 741,929.25, 1,112,146.11 and 292,476.18 is: 438,419.49
Step by Step Solution
- Step 1: Write the proportion equation
741,929.25 : 1,112,146.11 = 292,476.18 : x - Step 2: Convert to fraction form
741,929.25/1,112,146.11 = 292,476.18/x - Step 3: Cross multiply
741,929.25x = 1,112,146.11 × 292,476.18 - Step 4: Simplify right side
741,929.25x = 325,276,245,854.66 - Step 5: Solve for x
x = 325,276,245,854.66/741,929.25 - Step 6: Final answer
x = 438,419.49
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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.