Finding the Fourth Proportional to 894,740.48, 1,234,704.70 and 486,843.92
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Solution
The fourth proportional to 894,740.48, 1,234,704.70 and 486,843.92 is: 671,824.39
Step by Step Solution
- Step 1: Write the proportion equation
894,740.48 : 1,234,704.70 = 486,843.92 : x - Step 2: Convert to fraction form
894,740.48/1,234,704.70 = 486,843.92/x - Step 3: Cross multiply
894,740.48x = 1,234,704.70 × 486,843.92 - Step 4: Simplify right side
894,740.48x = 601,108,476,190.42 - Step 5: Solve for x
x = 601,108,476,190.42/894,740.48 - Step 6: Final answer
x = 671,824.39
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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.