Finding the Fourth Proportional to 858,793.95, 1,288,190.93 and 839,110.95
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Solution
The fourth proportional to 858,793.95, 1,288,190.93 and 839,110.95 is: 1,258,666.43
Step by Step Solution
- Step 1: Write the proportion equation
858,793.95 : 1,288,190.93 = 839,110.95 : x - Step 2: Convert to fraction form
858,793.95/1,288,190.93 = 839,110.95/x - Step 3: Cross multiply
858,793.95x = 1,288,190.93 × 839,110.95 - Step 4: Simplify right side
858,793.95x = 1,080,935,110,858.13 - Step 5: Solve for x
x = 1,080,935,110,858.13/858,793.95 - Step 6: Final answer
x = 1,258,666.43
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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.