Finding the Fourth Proportional to 797,120.44, 1,099,971.09 and 448,313.08
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Solution
The fourth proportional to 797,120.44, 1,099,971.09 and 448,313.08 is: 618,641.05
Step by Step Solution
- Step 1: Write the proportion equation
797,120.44 : 1,099,971.09 = 448,313.08 : x - Step 2: Convert to fraction form
797,120.44/1,099,971.09 = 448,313.08/x - Step 3: Cross multiply
797,120.44x = 1,099,971.09 × 448,313.08 - Step 4: Simplify right side
797,120.44x = 493,131,426,581.38 - Step 5: Solve for x
x = 493,131,426,581.38/797,120.44 - Step 6: Final answer
x = 618,641.05
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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.