Finding the Fourth Proportional to 949,623.94, 1,310,484.87 and 519,944.05
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Solution
The fourth proportional to 949,623.94, 1,310,484.87 and 519,944.05 is: 717,524.89
Step by Step Solution
- Step 1: Write the proportion equation
949,623.94 : 1,310,484.87 = 519,944.05 : x - Step 2: Convert to fraction form
949,623.94/1,310,484.87 = 519,944.05/x - Step 3: Cross multiply
949,623.94x = 1,310,484.87 × 519,944.05 - Step 4: Simplify right side
949,623.94x = 681,378,810,771.52 - Step 5: Solve for x
x = 681,378,810,771.52/949,623.94 - Step 6: Final answer
x = 717,524.89
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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.