Finding the Fourth Proportional to 727,596.48, 1,091,128.64 and 278,095.08
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Solution
The fourth proportional to 727,596.48, 1,091,128.64 and 278,095.08 is: 417,040.92
Step by Step Solution
- Step 1: Write the proportion equation
727,596.48 : 1,091,128.64 = 278,095.08 : x - Step 2: Convert to fraction form
727,596.48/1,091,128.64 = 278,095.08/x - Step 3: Cross multiply
727,596.48x = 1,091,128.64 × 278,095.08 - Step 4: Simplify right side
727,596.48x = 303,437,505,040.62 - Step 5: Solve for x
x = 303,437,505,040.62/727,596.48 - Step 6: Final answer
x = 417,040.92
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.