Finding the Fourth Proportional to 770,489.11, 1,063,217.23 and 430,891.75
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Solution
The fourth proportional to 770,489.11, 1,063,217.23 and 430,891.75 is: 594,598.32
Step by Step Solution
- Step 1: Write the proportion equation
770,489.11 : 1,063,217.23 = 430,891.75 : x - Step 2: Convert to fraction form
770,489.11/1,063,217.23 = 430,891.75/x - Step 3: Cross multiply
770,489.11x = 1,063,217.23 × 430,891.75 - Step 4: Simplify right side
770,489.11x = 458,131,532,864.85 - Step 5: Solve for x
x = 458,131,532,864.85/770,489.11 - Step 6: Final answer
x = 594,598.32
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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.