Finding the Fourth Proportional to 939,343.46, 1,409,183.68 and 440,694.50
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Solution
The fourth proportional to 939,343.46, 1,409,183.68 and 440,694.50 is: 661,120.80
Step by Step Solution
- Step 1: Write the proportion equation
939,343.46 : 1,409,183.68 = 440,694.50 : x - Step 2: Convert to fraction form
939,343.46/1,409,183.68 = 440,694.50/x - Step 3: Cross multiply
939,343.46x = 1,409,183.68 × 440,694.50 - Step 4: Simplify right side
939,343.46x = 621,019,497,265.76 - Step 5: Solve for x
x = 621,019,497,265.76/939,343.46 - Step 6: Final answer
x = 661,120.80
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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.