Finding the Fourth Proportional to 685,676.26, 946,207.08 and 375,573.88
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Solution
The fourth proportional to 685,676.26, 946,207.08 and 375,573.88 is: 518,277.63
Step by Step Solution
- Step 1: Write the proportion equation
685,676.26 : 946,207.08 = 375,573.88 : x - Step 2: Convert to fraction form
685,676.26/946,207.08 = 375,573.88/x - Step 3: Cross multiply
685,676.26x = 946,207.08 × 375,573.88 - Step 4: Simplify right side
685,676.26x = 355,370,664,319.07 - Step 5: Solve for x
x = 355,370,664,319.07/685,676.26 - Step 6: Final answer
x = 518,277.63
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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.