Finding the Fourth Proportional to 983,891.12, 1,475,689.80 and 273,845.12
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Solution
The fourth proportional to 983,891.12, 1,475,689.80 and 273,845.12 is: 410,726.80
Step by Step Solution
- Step 1: Write the proportion equation
983,891.12 : 1,475,689.80 = 273,845.12 : x - Step 2: Convert to fraction form
983,891.12/1,475,689.80 = 273,845.12/x - Step 3: Cross multiply
983,891.12x = 1,475,689.80 × 273,845.12 - Step 4: Simplify right side
983,891.12x = 404,110,450,363.78 - Step 5: Solve for x
x = 404,110,450,363.78/983,891.12 - Step 6: Final answer
x = 410,726.80
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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.