Finding the Fourth Proportional to 893,609.80, 1,340,414.70 and 852,137.80
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Solution
The fourth proportional to 893,609.80, 1,340,414.70 and 852,137.80 is: 1,278,206.70
Step by Step Solution
- Step 1: Write the proportion equation
893,609.80 : 1,340,414.70 = 852,137.80 : x - Step 2: Convert to fraction form
893,609.80/1,340,414.70 = 852,137.80/x - Step 3: Cross multiply
893,609.80x = 1,340,414.70 × 852,137.80 - Step 4: Simplify right side
893,609.80x = 1,142,218,033,545.66 - Step 5: Solve for x
x = 1,142,218,033,545.66/893,609.80 - Step 6: Final answer
x = 1,278,206.70
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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.