Finding the Fourth Proportional to 755,860.55, 1,043,087.36 and 416,328.80
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Solution
The fourth proportional to 755,860.55, 1,043,087.36 and 416,328.80 is: 574,533.63
Step by Step Solution
- Step 1: Write the proportion equation
755,860.55 : 1,043,087.36 = 416,328.80 : x - Step 2: Convert to fraction form
755,860.55/1,043,087.36 = 416,328.80/x - Step 3: Cross multiply
755,860.55x = 1,043,087.36 × 416,328.80 - Step 4: Simplify right side
755,860.55x = 434,267,301,586.89 - Step 5: Solve for x
x = 434,267,301,586.89/755,860.55 - Step 6: Final answer
x = 574,533.63
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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.