Finding the Fourth Proportional to 789,731.92, 1,184,596.96 and 257,252.09
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Solution
The fourth proportional to 789,731.92, 1,184,596.96 and 257,252.09 is: 385,877.84
Step by Step Solution
- Step 1: Write the proportion equation
789,731.92 : 1,184,596.96 = 257,252.09 : x - Step 2: Convert to fraction form
789,731.92/1,184,596.96 = 257,252.09/x - Step 3: Cross multiply
789,731.92x = 1,184,596.96 × 257,252.09 - Step 4: Simplify right side
789,731.92x = 304,740,043,767.65 - Step 5: Solve for x
x = 304,740,043,767.65/789,731.92 - Step 6: Final answer
x = 385,877.84
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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.