Finding the Fourth Proportional to 748,678.38, 1,122,894.54 and 268,806.84
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Solution
The fourth proportional to 748,678.38, 1,122,894.54 and 268,806.84 is: 403,166.09
Step by Step Solution
- Step 1: Write the proportion equation
748,678.38 : 1,122,894.54 = 268,806.84 : x - Step 2: Convert to fraction form
748,678.38/1,122,894.54 = 268,806.84/x - Step 3: Cross multiply
748,678.38x = 1,122,894.54 × 268,806.84 - Step 4: Simplify right side
748,678.38x = 301,841,732,950.65 - Step 5: Solve for x
x = 301,841,732,950.65/748,678.38 - Step 6: Final answer
x = 403,166.09
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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.