Finding the Fourth Proportional to 857,309.14, 1,182,544.36 and 550,858.80
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Solution
The fourth proportional to 857,309.14, 1,182,544.36 and 550,858.80 is: 759,836.72
Step by Step Solution
- Step 1: Write the proportion equation
857,309.14 : 1,182,544.36 = 550,858.80 : x - Step 2: Convert to fraction form
857,309.14/1,182,544.36 = 550,858.80/x - Step 3: Cross multiply
857,309.14x = 1,182,544.36 × 550,858.80 - Step 4: Simplify right side
857,309.14x = 651,414,965,719.22 - Step 5: Solve for x
x = 651,414,965,719.22/857,309.14 - Step 6: Final answer
x = 759,836.72
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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.