Finding the Fourth Proportional to 674,934.76, 1,013,976.78 and 394,648.84
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Solution
The fourth proportional to 674,934.76, 1,013,976.78 and 394,648.84 is: 592,893.99
Step by Step Solution
- Step 1: Write the proportion equation
674,934.76 : 1,013,976.78 = 394,648.84 : x - Step 2: Convert to fraction form
674,934.76/1,013,976.78 = 394,648.84/x - Step 3: Cross multiply
674,934.76x = 1,013,976.78 × 394,648.84 - Step 4: Simplify right side
674,934.76x = 400,164,760,013.94 - Step 5: Solve for x
x = 400,164,760,013.94/674,934.76 - Step 6: Final answer
x = 592,893.99
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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.