Finding the Fourth Proportional to 451,955.78, 677,676.74 and 349,336.80
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Solution
The fourth proportional to 451,955.78, 677,676.74 and 349,336.80 is: 523,806.61
Step by Step Solution
- Step 1: Write the proportion equation
451,955.78 : 677,676.74 = 349,336.80 : x - Step 2: Convert to fraction form
451,955.78/677,676.74 = 349,336.80/x - Step 3: Cross multiply
451,955.78x = 677,676.74 × 349,336.80 - Step 4: Simplify right side
451,955.78x = 236,737,423,786.03 - Step 5: Solve for x
x = 236,737,423,786.03/451,955.78 - Step 6: Final answer
x = 523,806.61
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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.