Finding the Fourth Proportional to 450,713.46, 622,405.98 and 289,847.82
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Solution
The fourth proportional to 450,713.46, 622,405.98 and 289,847.82 is: 400,260.99
Step by Step Solution
- Step 1: Write the proportion equation
450,713.46 : 622,405.98 = 289,847.82 : x - Step 2: Convert to fraction form
450,713.46/622,405.98 = 289,847.82/x - Step 3: Cross multiply
450,713.46x = 622,405.98 × 289,847.82 - Step 4: Simplify right side
450,713.46x = 180,403,016,457.96 - Step 5: Solve for x
x = 180,403,016,457.96/450,713.46 - Step 6: Final answer
x = 400,260.99
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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.