Finding the Fourth Proportional to 782,234.44, 1,173,351.66 and 408,169.96
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Solution
The fourth proportional to 782,234.44, 1,173,351.66 and 408,169.96 is: 612,254.94
Step by Step Solution
- Step 1: Write the proportion equation
782,234.44 : 1,173,351.66 = 408,169.96 : x - Step 2: Convert to fraction form
782,234.44/1,173,351.66 = 408,169.96/x - Step 3: Cross multiply
782,234.44x = 1,173,351.66 × 408,169.96 - Step 4: Simplify right side
782,234.44x = 478,926,900,128.13 - Step 5: Solve for x
x = 478,926,900,128.13/782,234.44 - Step 6: Final answer
x = 612,254.94
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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.