Finding the Fourth Proportional to 1,504,114.21, 2,255,929.53 and 438,906.70
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Solution
The fourth proportional to 1,504,114.21, 2,255,929.53 and 438,906.70 is: 658,289.50
Step by Step Solution
- Step 1: Write the proportion equation
1,504,114.21 : 2,255,929.53 = 438,906.70 : x - Step 2: Convert to fraction form
1,504,114.21/2,255,929.53 = 438,906.70/x - Step 3: Cross multiply
1,504,114.21x = 2,255,929.53 × 438,906.70 - Step 4: Simplify right side
1,504,114.21x = 990,142,585,444.85 - Step 5: Solve for x
x = 990,142,585,444.85/1,504,114.21 - Step 6: Final answer
x = 658,289.50
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1.5x scale
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.