Finding the Fourth Proportional to 874,881.19, 1,207,274.59 and 482,396.70
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Solution
The fourth proportional to 874,881.19, 1,207,274.59 and 482,396.70 is: 665,673.56
Step by Step Solution
- Step 1: Write the proportion equation
874,881.19 : 1,207,274.59 = 482,396.70 : x - Step 2: Convert to fraction form
874,881.19/1,207,274.59 = 482,396.70/x - Step 3: Cross multiply
874,881.19x = 1,207,274.59 × 482,396.70 - Step 4: Simplify right side
874,881.19x = 582,385,278,209.85 - Step 5: Solve for x
x = 582,385,278,209.85/874,881.19 - Step 6: Final answer
x = 665,673.56
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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.