Finding the Fourth Proportional to 657,343.44, 984,504.12 and 417,439.44
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Solution
The fourth proportional to 657,343.44, 984,504.12 and 417,439.44 is: 625,199.59
Step by Step Solution
- Step 1: Write the proportion equation
657,343.44 : 984,504.12 = 417,439.44 : x - Step 2: Convert to fraction form
657,343.44/984,504.12 = 417,439.44/x - Step 3: Cross multiply
657,343.44x = 984,504.12 × 417,439.44 - Step 4: Simplify right side
657,343.44x = 410,970,848,530.49 - Step 5: Solve for x
x = 410,970,848,530.49/657,343.44 - Step 6: Final answer
x = 625,199.59
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1.5x scale
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.