Finding the Fourth Proportional to 894,013.53, 1,233,740.88 and 486,115.14
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Solution
The fourth proportional to 894,013.53, 1,233,740.88 and 486,115.14 is: 670,840.09
Step by Step Solution
- Step 1: Write the proportion equation
894,013.53 : 1,233,740.88 = 486,115.14 : x - Step 2: Convert to fraction form
894,013.53/1,233,740.88 = 486,115.14/x - Step 3: Cross multiply
894,013.53x = 1,233,740.88 × 486,115.14 - Step 4: Simplify right side
894,013.53x = 599,740,120,604.92 - Step 5: Solve for x
x = 599,740,120,604.92/894,013.53 - Step 6: Final answer
x = 670,840.09
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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.