Finding the Fourth Proportional to 784,568.26, 1,082,668.70 and 478,596.02
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Solution
The fourth proportional to 784,568.26, 1,082,668.70 and 478,596.02 is: 660,440.85
Step by Step Solution
- Step 1: Write the proportion equation
784,568.26 : 1,082,668.70 = 478,596.02 : x - Step 2: Convert to fraction form
784,568.26/1,082,668.70 = 478,596.02/x - Step 3: Cross multiply
784,568.26x = 1,082,668.70 × 478,596.02 - Step 4: Simplify right side
784,568.26x = 518,160,928,405.59 - Step 5: Solve for x
x = 518,160,928,405.59/784,568.26 - Step 6: Final answer
x = 660,440.85
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.