Finding the Fourth Proportional to 784,621.79, 1,176,757.54 and 363,842.99
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Solution
The fourth proportional to 784,621.79, 1,176,757.54 and 363,842.99 is: 545,683.27
Step by Step Solution
- Step 1: Write the proportion equation
784,621.79 : 1,176,757.54 = 363,842.99 : x - Step 2: Convert to fraction form
784,621.79/1,176,757.54 = 363,842.99/x - Step 3: Cross multiply
784,621.79x = 1,176,757.54 × 363,842.99 - Step 4: Simplify right side
784,621.79x = 428,154,981,858.65 - Step 5: Solve for x
x = 428,154,981,858.65/784,621.79 - Step 6: Final answer
x = 545,683.27
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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.