Finding the Fourth Proportional to 738,110.92, 1,018,596.18 and 415,824.88
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Solution
The fourth proportional to 738,110.92, 1,018,596.18 and 415,824.88 is: 573,840.09
Step by Step Solution
- Step 1: Write the proportion equation
738,110.92 : 1,018,596.18 = 415,824.88 : x - Step 2: Convert to fraction form
738,110.92/1,018,596.18 = 415,824.88/x - Step 3: Cross multiply
738,110.92x = 1,018,596.18 × 415,824.88 - Step 4: Simplify right side
738,110.92x = 423,557,634,316.96 - Step 5: Solve for x
x = 423,557,634,316.96/738,110.92 - Step 6: Final answer
x = 573,840.09
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1.5x scale
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.