Finding the Fourth Proportional to 755,860.72, 1,043,087.70 and 416,328.97
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Solution
The fourth proportional to 755,860.72, 1,043,087.70 and 416,328.97 is: 574,533.93
Step by Step Solution
- Step 1: Write the proportion equation
755,860.72 : 1,043,087.70 = 416,328.97 : x - Step 2: Convert to fraction form
755,860.72/1,043,087.70 = 416,328.97/x - Step 3: Cross multiply
755,860.72x = 1,043,087.70 × 416,328.97 - Step 4: Simplify right side
755,860.72x = 434,267,627,760.67 - Step 5: Solve for x
x = 434,267,627,760.67/755,860.72 - Step 6: Final answer
x = 574,533.93
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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.