Finding the Fourth Proportional to 681,740.26, 942,502.20 and 511,679.14
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Solution
The fourth proportional to 681,740.26, 942,502.20 and 511,679.14 is: 707,393.63
Step by Step Solution
- Step 1: Write the proportion equation
681,740.26 : 942,502.20 = 511,679.14 : x - Step 2: Convert to fraction form
681,740.26/942,502.20 = 511,679.14/x - Step 3: Cross multiply
681,740.26x = 942,502.20 × 511,679.14 - Step 4: Simplify right side
681,740.26x = 482,258,715,144.11 - Step 5: Solve for x
x = 482,258,715,144.11/681,740.26 - Step 6: Final answer
x = 707,393.63
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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.