Finding the Fourth Proportional to 784,343.20, 1,176,403.74 and 251,794.12
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Solution
The fourth proportional to 784,343.20, 1,176,403.74 and 251,794.12 is: 377,655.53
Step by Step Solution
- Step 1: Write the proportion equation
784,343.20 : 1,176,403.74 = 251,794.12 : x - Step 2: Convert to fraction form
784,343.20/1,176,403.74 = 251,794.12/x - Step 3: Cross multiply
784,343.20x = 1,176,403.74 × 251,794.12 - Step 4: Simplify right side
784,343.20x = 296,211,544,478.01 - Step 5: Solve for x
x = 296,211,544,478.01/784,343.20 - Step 6: Final answer
x = 377,655.53
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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.