Finding the Fourth Proportional to 674,694.23, 931,052.49 and 368,768.09
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Solution
The fourth proportional to 674,694.23, 931,052.49 and 368,768.09 is: 508,886.00
Step by Step Solution
- Step 1: Write the proportion equation
674,694.23 : 931,052.49 = 368,768.09 : x - Step 2: Convert to fraction form
674,694.23/931,052.49 = 368,768.09/x - Step 3: Cross multiply
674,694.23x = 931,052.49 × 368,768.09 - Step 4: Simplify right side
674,694.23x = 343,342,443,771.78 - Step 5: Solve for x
x = 343,342,443,771.78/674,694.23 - Step 6: Final answer
x = 508,886.00
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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.