Finding the Fourth Proportional to 641,432.08, 884,591.44 and 550,759.60
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Solution
The fourth proportional to 641,432.08, 884,591.44 and 550,759.60 is: 759,546.09
Step by Step Solution
- Step 1: Write the proportion equation
641,432.08 : 884,591.44 = 550,759.60 : x - Step 2: Convert to fraction form
641,432.08/884,591.44 = 550,759.60/x - Step 3: Cross multiply
641,432.08x = 884,591.44 × 550,759.60 - Step 4: Simplify right side
641,432.08x = 487,197,227,657.82 - Step 5: Solve for x
x = 487,197,227,657.82/641,432.08 - Step 6: Final answer
x = 759,546.09
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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.