Finding the Fourth Proportional to 511,863.24, 706,366.58 and 282,422.64
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Solution
The fourth proportional to 511,863.24, 706,366.58 and 282,422.64 is: 389,740.65
Step by Step Solution
- Step 1: Write the proportion equation
511,863.24 : 706,366.58 = 282,422.64 : x - Step 2: Convert to fraction form
511,863.24/706,366.58 = 282,422.64/x - Step 3: Cross multiply
511,863.24x = 706,366.58 × 282,422.64 - Step 4: Simplify right side
511,863.24x = 199,493,914,331.37 - Step 5: Solve for x
x = 199,493,914,331.37/511,863.24 - Step 6: Final answer
x = 389,740.65
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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.