Finding the Fourth Proportional to 985,596.22, 1,478,576.68 and 311,847.13
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Solution
The fourth proportional to 985,596.22, 1,478,576.68 and 311,847.13 is: 467,828.39
Step by Step Solution
- Step 1: Write the proportion equation
985,596.22 : 1,478,576.68 = 311,847.13 : x - Step 2: Convert to fraction form
985,596.22/1,478,576.68 = 311,847.13/x - Step 3: Cross multiply
985,596.22x = 1,478,576.68 × 311,847.13 - Step 4: Simplify right side
985,596.22x = 461,089,894,142.93 - Step 5: Solve for x
x = 461,089,894,142.93/985,596.22 - Step 6: Final answer
x = 467,828.39
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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.