Finding the Fourth Proportional to 680,984.09, 1,021,473.40 and 207,668.08
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Solution
The fourth proportional to 680,984.09, 1,021,473.40 and 207,668.08 is: 311,501.29
Step by Step Solution
- Step 1: Write the proportion equation
680,984.09 : 1,021,473.40 = 207,668.08 : x - Step 2: Convert to fraction form
680,984.09/1,021,473.40 = 207,668.08/x - Step 3: Cross multiply
680,984.09x = 1,021,473.40 × 207,668.08 - Step 4: Simplify right side
680,984.09x = 212,127,419,749.07 - Step 5: Solve for x
x = 212,127,419,749.07/680,984.09 - Step 6: Final answer
x = 311,501.29
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.