Finding the Fourth Proportional to 700,902.21, 1,051,440.81 and 274,382.94
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Solution
The fourth proportional to 700,902.21, 1,051,440.81 and 274,382.94 is: 411,608.66
Step by Step Solution
- Step 1: Write the proportion equation
700,902.21 : 1,051,440.81 = 274,382.94 : x - Step 2: Convert to fraction form
700,902.21/1,051,440.81 = 274,382.94/x - Step 3: Cross multiply
700,902.21x = 1,051,440.81 × 274,382.94 - Step 4: Simplify right side
700,902.21x = 288,497,420,683.78 - Step 5: Solve for x
x = 288,497,420,683.78/700,902.21 - Step 6: Final answer
x = 411,608.66
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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.