Finding the Fourth Proportional to 782,503.26, 1,079,858.99 and 460,226.94
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Solution
The fourth proportional to 782,503.26, 1,079,858.99 and 460,226.94 is: 635,115.82
Step by Step Solution
- Step 1: Write the proportion equation
782,503.26 : 1,079,858.99 = 460,226.94 : x - Step 2: Convert to fraction form
782,503.26/1,079,858.99 = 460,226.94/x - Step 3: Cross multiply
782,503.26x = 1,079,858.99 × 460,226.94 - Step 4: Simplify right side
782,503.26x = 496,980,198,599.19 - Step 5: Solve for x
x = 496,980,198,599.19/782,503.26 - Step 6: Final answer
x = 635,115.82
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.