Finding the Fourth Proportional to 793,980.62, 1,190,845.86 and 659,905.55
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Solution
The fourth proportional to 793,980.62, 1,190,845.86 and 659,905.55 is: 989,754.37
Step by Step Solution
- Step 1: Write the proportion equation
793,980.62 : 1,190,845.86 = 659,905.55 : x - Step 2: Convert to fraction form
793,980.62/1,190,845.86 = 659,905.55/x - Step 3: Cross multiply
793,980.62x = 1,190,845.86 × 659,905.55 - Step 4: Simplify right side
793,980.62x = 785,845,792,208.52 - Step 5: Solve for x
x = 785,845,792,208.52/793,980.62 - Step 6: Final answer
x = 989,754.37
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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.