Finding the Fourth Proportional to 528,911.24, 729,717.22 and 338,034.74
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Solution
The fourth proportional to 528,911.24, 729,717.22 and 338,034.74 is: 466,372.71
Step by Step Solution
- Step 1: Write the proportion equation
528,911.24 : 729,717.22 = 338,034.74 : x - Step 2: Convert to fraction form
528,911.24/729,717.22 = 338,034.74/x - Step 3: Cross multiply
528,911.24x = 729,717.22 × 338,034.74 - Step 4: Simplify right side
528,911.24x = 246,669,770,736.22 - Step 5: Solve for x
x = 246,669,770,736.22/528,911.24 - Step 6: Final answer
x = 466,372.71
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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.