Finding the Fourth Proportional to 833,939.12, 1,150,837.98 and 451,965.80
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Solution
The fourth proportional to 833,939.12, 1,150,837.98 and 451,965.80 is: 623,713.88
Step by Step Solution
- Step 1: Write the proportion equation
833,939.12 : 1,150,837.98 = 451,965.80 : x - Step 2: Convert to fraction form
833,939.12/1,150,837.98 = 451,965.80/x - Step 3: Cross multiply
833,939.12x = 1,150,837.98 × 451,965.80 - Step 4: Simplify right side
833,939.12x = 520,139,408,301.08 - Step 5: Solve for x
x = 520,139,408,301.08/833,939.12 - Step 6: Final answer
x = 623,713.88
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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.