Finding the Fourth Proportional to 403,727.70, 605,591.55 and 324,995.70
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Solution
The fourth proportional to 403,727.70, 605,591.55 and 324,995.70 is: 487,493.55
Step by Step Solution
- Step 1: Write the proportion equation
403,727.70 : 605,591.55 = 324,995.70 : x - Step 2: Convert to fraction form
403,727.70/605,591.55 = 324,995.70/x - Step 3: Cross multiply
403,727.70x = 605,591.55 × 324,995.70 - Step 4: Simplify right side
403,727.70x = 196,814,649,706.34 - Step 5: Solve for x
x = 196,814,649,706.34/403,727.70 - Step 6: Final answer
x = 487,493.55
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Similar ratio
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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.