Finding the Fourth Proportional to 492,826.99, 739,921.23 and 340,649.19
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Solution
The fourth proportional to 492,826.99, 739,921.23 and 340,649.19 is: 511,444.31
Step by Step Solution
- Step 1: Write the proportion equation
492,826.99 : 739,921.23 = 340,649.19 : x - Step 2: Convert to fraction form
492,826.99/739,921.23 = 340,649.19/x - Step 3: Cross multiply
492,826.99x = 739,921.23 × 340,649.19 - Step 4: Simplify right side
492,826.99x = 252,053,562,260.45 - Step 5: Solve for x
x = 252,053,562,260.45/492,826.99 - Step 6: Final answer
x = 511,444.31
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.