Finding the Fourth Proportional to 528,509.81, 729,173.96 and 295,902.48
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Solution
The fourth proportional to 528,509.81, 729,173.96 and 295,902.48 is: 408,250.48
Step by Step Solution
- Step 1: Write the proportion equation
528,509.81 : 729,173.96 = 295,902.48 : x - Step 2: Convert to fraction form
528,509.81/729,173.96 = 295,902.48/x - Step 3: Cross multiply
528,509.81x = 729,173.96 × 295,902.48 - Step 4: Simplify right side
528,509.81x = 215,764,381,635.91 - Step 5: Solve for x
x = 215,764,381,635.91/528,509.81 - Step 6: Final answer
x = 408,250.48
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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.