Finding the Fourth Proportional to 1,036,804.70, 1,555,207.05 and 288,850.70
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Solution
The fourth proportional to 1,036,804.70, 1,555,207.05 and 288,850.70 is: 433,276.05
Step by Step Solution
- Step 1: Write the proportion equation
1,036,804.70 : 1,555,207.05 = 288,850.70 : x - Step 2: Convert to fraction form
1,036,804.70/1,555,207.05 = 288,850.70/x - Step 3: Cross multiply
1,036,804.70x = 1,555,207.05 × 288,850.70 - Step 4: Simplify right side
1,036,804.70x = 449,222,645,037.44 - Step 5: Solve for x
x = 449,222,645,037.44/1,036,804.70 - Step 6: Final answer
x = 433,276.05
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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.