Finding the Fourth Proportional to 528,896.99, 729,697.61 and 338,020.49
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Solution
The fourth proportional to 528,896.99, 729,697.61 and 338,020.49 is: 466,353.08
Step by Step Solution
- Step 1: Write the proportion equation
528,896.99 : 729,697.61 = 338,020.49 : x - Step 2: Convert to fraction form
528,896.99/729,697.61 = 338,020.49/x - Step 3: Cross multiply
528,896.99x = 729,697.61 × 338,020.49 - Step 4: Simplify right side
528,896.99x = 246,652,741,993.93 - Step 5: Solve for x
x = 246,652,741,993.93/528,896.99 - Step 6: Final answer
x = 466,353.08
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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.