Finding the Fourth Proportional to 728,845.98, 1,093,276.26 and 255,542.73
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Solution
The fourth proportional to 728,845.98, 1,093,276.26 and 255,542.73 is: 383,316.65
Step by Step Solution
- Step 1: Write the proportion equation
728,845.98 : 1,093,276.26 = 255,542.73 : x - Step 2: Convert to fraction form
728,845.98/1,093,276.26 = 255,542.73/x - Step 3: Cross multiply
728,845.98x = 1,093,276.26 × 255,542.73 - Step 4: Simplify right side
728,845.98x = 279,378,800,124.59 - Step 5: Solve for x
x = 279,378,800,124.59/728,845.98 - Step 6: Final answer
x = 383,316.65
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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.