Finding the Fourth Proportional to 840,755.16, 1,261,630.98 and 787,558.82
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Solution
The fourth proportional to 840,755.16, 1,261,630.98 and 787,558.82 is: 1,181,804.94
Step by Step Solution
- Step 1: Write the proportion equation
840,755.16 : 1,261,630.98 = 787,558.82 : x - Step 2: Convert to fraction form
840,755.16/1,261,630.98 = 787,558.82/x - Step 3: Cross multiply
840,755.16x = 1,261,630.98 × 787,558.82 - Step 4: Simplify right side
840,755.16x = 993,608,599,576.09 - Step 5: Solve for x
x = 993,608,599,576.09/840,755.16 - Step 6: Final answer
x = 1,181,804.94
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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.