Finding the Fourth Proportional to 887,762.89, 1,225,121.75 and 479,872.63
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Solution
The fourth proportional to 887,762.89, 1,225,121.75 and 479,872.63 is: 662,229.07
Step by Step Solution
- Step 1: Write the proportion equation
887,762.89 : 1,225,121.75 = 479,872.63 : x - Step 2: Convert to fraction form
887,762.89/1,225,121.75 = 479,872.63/x - Step 3: Cross multiply
887,762.89x = 1,225,121.75 × 479,872.63 - Step 4: Simplify right side
887,762.89x = 587,902,396,242.70 - Step 5: Solve for x
x = 587,902,396,242.70/887,762.89 - Step 6: Final answer
x = 662,229.07
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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.