Finding the Fourth Proportional to 674,767.88, 931,201.18 and 368,837.54
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Solution
The fourth proportional to 674,767.88, 931,201.18 and 368,837.54 is: 509,007.56
Step by Step Solution
- Step 1: Write the proportion equation
674,767.88 : 931,201.18 = 368,837.54 : x - Step 2: Convert to fraction form
674,767.88/931,201.18 = 368,837.54/x - Step 3: Cross multiply
674,767.88x = 931,201.18 × 368,837.54 - Step 4: Simplify right side
674,767.88x = 343,461,952,476.30 - Step 5: Solve for x
x = 343,461,952,476.30/674,767.88 - Step 6: Final answer
x = 509,007.56
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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.