Finding the Fourth Proportional to 661,997.05, 992,217.98 and 306,259.63
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Solution
The fourth proportional to 661,997.05, 992,217.98 and 306,259.63 is: 459,029.70
Step by Step Solution
- Step 1: Write the proportion equation
661,997.05 : 992,217.98 = 306,259.63 : x - Step 2: Convert to fraction form
661,997.05/992,217.98 = 306,259.63/x - Step 3: Cross multiply
661,997.05x = 992,217.98 × 306,259.63 - Step 4: Simplify right side
661,997.05x = 303,876,309,902.85 - Step 5: Solve for x
x = 303,876,309,902.85/661,997.05 - Step 6: Final answer
x = 459,029.70
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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.