Finding the Fourth Proportional to 908,795.80, 1,363,193.70 and 269,122.60
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Solution
The fourth proportional to 908,795.80, 1,363,193.70 and 269,122.60 is: 403,683.90
Step by Step Solution
- Step 1: Write the proportion equation
908,795.80 : 1,363,193.70 = 269,122.60 : x - Step 2: Convert to fraction form
908,795.80/1,363,193.70 = 269,122.60/x - Step 3: Cross multiply
908,795.80x = 1,363,193.70 × 269,122.60 - Step 4: Simplify right side
908,795.80x = 366,866,232,847.62 - Step 5: Solve for x
x = 366,866,232,847.62/908,795.80 - Step 6: Final answer
x = 403,683.90
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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.