Finding the Fourth Proportional to 522,539.84, 721,101.60 and 284,075.84
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Solution
The fourth proportional to 522,539.84, 721,101.60 and 284,075.84 is: 392,022.82
Step by Step Solution
- Step 1: Write the proportion equation
522,539.84 : 721,101.60 = 284,075.84 : x - Step 2: Convert to fraction form
522,539.84/721,101.60 = 284,075.84/x - Step 3: Cross multiply
522,539.84x = 721,101.60 × 284,075.84 - Step 4: Simplify right side
522,539.84x = 204,847,542,745.34 - Step 5: Solve for x
x = 204,847,542,745.34/522,539.84 - Step 6: Final answer
x = 392,022.82
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1.5x scale
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.