Finding the Fourth Proportional to 757,615.34, 1,045,515.26 and 413,453.97
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Solution
The fourth proportional to 757,615.34, 1,045,515.26 and 413,453.97 is: 570,569.80
Step by Step Solution
- Step 1: Write the proportion equation
757,615.34 : 1,045,515.26 = 413,453.97 : x - Step 2: Convert to fraction form
757,615.34/1,045,515.26 = 413,453.97/x - Step 3: Cross multiply
757,615.34x = 1,045,515.26 × 413,453.97 - Step 4: Simplify right side
757,615.34x = 432,272,435,976.22 - Step 5: Solve for x
x = 432,272,435,976.22/757,615.34 - Step 6: Final answer
x = 570,569.80
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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.