Finding the Fourth Proportional to 741,576.48, 1,023,427.92 and 419,289.68
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Solution
The fourth proportional to 741,576.48, 1,023,427.92 and 419,289.68 is: 578,649.37
Step by Step Solution
- Step 1: Write the proportion equation
741,576.48 : 1,023,427.92 = 419,289.68 : x - Step 2: Convert to fraction form
741,576.48/1,023,427.92 = 419,289.68/x - Step 3: Cross multiply
741,576.48x = 1,023,427.92 × 419,289.68 - Step 4: Simplify right side
741,576.48x = 429,112,765,079.87 - Step 5: Solve for x
x = 429,112,765,079.87/741,576.48 - Step 6: Final answer
x = 578,649.37
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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.