Finding the Fourth Proportional to 793,855.68, 1,190,977.92 and 394,684.44
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Solution
The fourth proportional to 793,855.68, 1,190,977.92 and 394,684.44 is: 592,123.31
Step by Step Solution
- Step 1: Write the proportion equation
793,855.68 : 1,190,977.92 = 394,684.44 : x - Step 2: Convert to fraction form
793,855.68/1,190,977.92 = 394,684.44/x - Step 3: Cross multiply
793,855.68x = 1,190,977.92 × 394,684.44 - Step 4: Simplify right side
793,855.68x = 470,060,453,407.57 - Step 5: Solve for x
x = 470,060,453,407.57/793,855.68 - Step 6: Final answer
x = 592,123.31
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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.