Finding the Fourth Proportional to 980,935.76, 1,471,170.36 and 270,948.08
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Solution
The fourth proportional to 980,935.76, 1,471,170.36 and 270,948.08 is: 406,357.68
Step by Step Solution
- Step 1: Write the proportion equation
980,935.76 : 1,471,170.36 = 270,948.08 : x - Step 2: Convert to fraction form
980,935.76/1,471,170.36 = 270,948.08/x - Step 3: Cross multiply
980,935.76x = 1,471,170.36 × 270,948.08 - Step 4: Simplify right side
980,935.76x = 398,610,784,394.91 - Step 5: Solve for x
x = 398,610,784,394.91/980,935.76 - Step 6: Final answer
x = 406,357.68
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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.