Finding the Fourth Proportional to 528,896.49, 729,696.92 and 338,019.99
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Solution
The fourth proportional to 528,896.49, 729,696.92 and 338,019.99 is: 466,352.39
Step by Step Solution
- Step 1: Write the proportion equation
528,896.49 : 729,696.92 = 338,019.99 : x - Step 2: Convert to fraction form
528,896.49/729,696.92 = 338,019.99/x - Step 3: Cross multiply
528,896.49x = 729,696.92 × 338,019.99 - Step 4: Simplify right side
528,896.49x = 246,652,143,911.33 - Step 5: Solve for x
x = 246,652,143,911.33/528,896.49 - Step 6: Final answer
x = 466,352.39
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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.