Finding the Fourth Proportional to 633,989.58, 874,995.33 and 392,349.97
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Solution
The fourth proportional to 633,989.58, 874,995.33 and 392,349.97 is: 541,498.48
Step by Step Solution
- Step 1: Write the proportion equation
633,989.58 : 874,995.33 = 392,349.97 : x - Step 2: Convert to fraction form
633,989.58/874,995.33 = 392,349.97/x - Step 3: Cross multiply
633,989.58x = 874,995.33 × 392,349.97 - Step 4: Simplify right side
633,989.58x = 343,304,391,475.64 - Step 5: Solve for x
x = 343,304,391,475.64/633,989.58 - Step 6: Final answer
x = 541,498.48
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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.