Finding the Fourth Proportional to 522,133.56, 720,558.99 and 295,779.06
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Solution
The fourth proportional to 522,133.56, 720,558.99 and 295,779.06 is: 408,183.42
Step by Step Solution
- Step 1: Write the proportion equation
522,133.56 : 720,558.99 = 295,779.06 : x - Step 2: Convert to fraction form
522,133.56/720,558.99 = 295,779.06/x - Step 3: Cross multiply
522,133.56x = 720,558.99 × 295,779.06 - Step 4: Simplify right side
522,133.56x = 213,126,260,736.75 - Step 5: Solve for x
x = 213,126,260,736.75/522,133.56 - Step 6: Final answer
x = 408,183.42
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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.