Finding the Fourth Proportional to 856,654.44, 1,284,984.63 and 216,958.02
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Solution
The fourth proportional to 856,654.44, 1,284,984.63 and 216,958.02 is: 325,437.78
Step by Step Solution
- Step 1: Write the proportion equation
856,654.44 : 1,284,984.63 = 216,958.02 : x - Step 2: Convert to fraction form
856,654.44/1,284,984.63 = 216,958.02/x - Step 3: Cross multiply
856,654.44x = 1,284,984.63 × 216,958.02 - Step 4: Simplify right side
856,654.44x = 278,787,721,055.23 - Step 5: Solve for x
x = 278,787,721,055.23/856,654.44 - Step 6: Final answer
x = 325,437.78
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.