Finding the Fourth Proportional to 905,884.84, 1,361,350.14 and 845,910.82
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Solution
The fourth proportional to 905,884.84, 1,361,350.14 and 845,910.82 is: 1,271,222.08
Step by Step Solution
- Step 1: Write the proportion equation
905,884.84 : 1,361,350.14 = 845,910.82 : x - Step 2: Convert to fraction form
905,884.84/1,361,350.14 = 845,910.82/x - Step 3: Cross multiply
905,884.84x = 1,361,350.14 × 845,910.82 - Step 4: Simplify right side
905,884.84x = 1,151,580,813,234.51 - Step 5: Solve for x
x = 1,151,580,813,234.51/905,884.84 - Step 6: Final answer
x = 1,271,222.08
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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.