Finding the Fourth Proportional to 1,504,118.22, 2,255,935.52 and 438,910.70
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Solution
The fourth proportional to 1,504,118.22, 2,255,935.52 and 438,910.70 is: 658,295.49
Step by Step Solution
- Step 1: Write the proportion equation
1,504,118.22 : 2,255,935.52 = 438,910.70 : x - Step 2: Convert to fraction form
1,504,118.22/2,255,935.52 = 438,910.70/x - Step 3: Cross multiply
1,504,118.22x = 2,255,935.52 × 438,910.70 - Step 4: Simplify right side
1,504,118.22x = 990,154,238,238.06 - Step 5: Solve for x
x = 990,154,238,238.06/1,504,118.22 - Step 6: Final answer
x = 658,295.49
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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.