Finding the Fourth Proportional to 738,046.11, 1,018,513.88 and 411,350.08
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Solution
The fourth proportional to 738,046.11, 1,018,513.88 and 411,350.08 is: 567,668.82
Step by Step Solution
- Step 1: Write the proportion equation
738,046.11 : 1,018,513.88 = 411,350.08 : x - Step 2: Convert to fraction form
738,046.11/1,018,513.88 = 411,350.08/x - Step 3: Cross multiply
738,046.11x = 1,018,513.88 × 411,350.08 - Step 4: Simplify right side
738,046.11x = 418,965,766,019.11 - Step 5: Solve for x
x = 418,965,766,019.11/738,046.11 - Step 6: Final answer
x = 567,668.82
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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.