Finding the Fourth Proportional to 847,515.10, 1,270,608 and 398,004.62
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Solution
The fourth proportional to 847,515.10, 1,270,608 and 398,004.62 is: 596,694.80
Step by Step Solution
- Step 1: Write the proportion equation
847,515.10 : 1,270,608 = 398,004.62 : x - Step 2: Convert to fraction form
847,515.10/1,270,608 = 398,004.62/x - Step 3: Cross multiply
847,515.10x = 1,270,608 × 398,004.62 - Step 4: Simplify right side
847,515.10x = 505,707,854,208.96 - Step 5: Solve for x
x = 505,707,854,208.96/847,515.10 - Step 6: Final answer
x = 596,694.80
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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.