Finding the Fourth Proportional to 784,028.68, 1,175,902.76 and 207,655.92
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Solution
The fourth proportional to 784,028.68, 1,175,902.76 and 207,655.92 is: 311,446.73
Step by Step Solution
- Step 1: Write the proportion equation
784,028.68 : 1,175,902.76 = 207,655.92 : x - Step 2: Convert to fraction form
784,028.68/1,175,902.76 = 207,655.92/x - Step 3: Cross multiply
784,028.68x = 1,175,902.76 × 207,655.92 - Step 4: Simplify right side
784,028.68x = 244,183,169,458.34 - Step 5: Solve for x
x = 244,183,169,458.34/784,028.68 - Step 6: Final answer
x = 311,446.73
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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.