Finding the Fourth Proportional to 527,028.80, 789,376.80 and 433,716.80
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Solution
The fourth proportional to 527,028.80, 789,376.80 and 433,716.80 is: 649,615.31
Step by Step Solution
- Step 1: Write the proportion equation
527,028.80 : 789,376.80 = 433,716.80 : x - Step 2: Convert to fraction form
527,028.80/789,376.80 = 433,716.80/x - Step 3: Cross multiply
527,028.80x = 789,376.80 × 433,716.80 - Step 4: Simplify right side
527,028.80x = 342,365,979,690.24 - Step 5: Solve for x
x = 342,365,979,690.24/527,028.80 - Step 6: Final answer
x = 649,615.31
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.