Finding the Fourth Proportional to 673,990.47, 1,010,704.62 and 274,359.96
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Solution
The fourth proportional to 673,990.47, 1,010,704.62 and 274,359.96 is: 411,425.52
Step by Step Solution
- Step 1: Write the proportion equation
673,990.47 : 1,010,704.62 = 274,359.96 : x - Step 2: Convert to fraction form
673,990.47/1,010,704.62 = 274,359.96/x - Step 3: Cross multiply
673,990.47x = 1,010,704.62 × 274,359.96 - Step 4: Simplify right side
673,990.47x = 277,296,879,115.02 - Step 5: Solve for x
x = 277,296,879,115.02/673,990.47 - Step 6: Final answer
x = 411,425.52
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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.