Finding the Fourth Proportional to 757,326.13, 1,045,109.99 and 417,794.38
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Solution
The fourth proportional to 757,326.13, 1,045,109.99 and 417,794.38 is: 576,556.21
Step by Step Solution
- Step 1: Write the proportion equation
757,326.13 : 1,045,109.99 = 417,794.38 : x - Step 2: Convert to fraction form
757,326.13/1,045,109.99 = 417,794.38/x - Step 3: Cross multiply
757,326.13x = 1,045,109.99 × 417,794.38 - Step 4: Simplify right side
757,326.13x = 436,641,078,735.57 - Step 5: Solve for x
x = 436,641,078,735.57/757,326.13 - Step 6: Final answer
x = 576,556.21
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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.