Finding the Fourth Proportional to 528,911.49, 729,717.57 and 338,034.99
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Solution
The fourth proportional to 528,911.49, 729,717.57 and 338,034.99 is: 466,373.06
Step by Step Solution
- Step 1: Write the proportion equation
528,911.49 : 729,717.57 = 338,034.99 : x - Step 2: Convert to fraction form
528,911.49/729,717.57 = 338,034.99/x - Step 3: Cross multiply
528,911.49x = 729,717.57 × 338,034.99 - Step 4: Simplify right side
528,911.49x = 246,670,071,477.77 - Step 5: Solve for x
x = 246,670,071,477.77/528,911.49 - Step 6: Final answer
x = 466,373.06
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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.