Finding the Fourth Proportional to 847,372.26, 1,270,442.52 and 397,861.68
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Solution
The fourth proportional to 847,372.26, 1,270,442.52 and 397,861.68 is: 596,503.35
Step by Step Solution
- Step 1: Write the proportion equation
847,372.26 : 1,270,442.52 = 397,861.68 : x - Step 2: Convert to fraction form
847,372.26/1,270,442.52 = 397,861.68/x - Step 3: Cross multiply
847,372.26x = 1,270,442.52 × 397,861.68 - Step 4: Simplify right side
847,372.26x = 505,460,395,350.63 - Step 5: Solve for x
x = 505,460,395,350.63/847,372.26 - Step 6: Final answer
x = 596,503.35
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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.