Finding the Fourth Proportional to 633,973.57, 874,973.22 and 392,333.99
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Solution
The fourth proportional to 633,973.57, 874,973.22 and 392,333.99 is: 541,476.41
Step by Step Solution
- Step 1: Write the proportion equation
633,973.57 : 874,973.22 = 392,333.99 : x - Step 2: Convert to fraction form
633,973.57/874,973.22 = 392,333.99/x - Step 3: Cross multiply
633,973.57x = 874,973.22 × 392,333.99 - Step 4: Simplify right side
633,973.57x = 343,281,730,170.88 - Step 5: Solve for x
x = 343,281,730,170.88/633,973.57 - Step 6: Final answer
x = 541,476.41
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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.