Finding the Fourth Proportional to 957,755.12, 1,436,842.92 and 283,888.40
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Solution
The fourth proportional to 957,755.12, 1,436,842.92 and 283,888.40 is: 425,894.92
Step by Step Solution
- Step 1: Write the proportion equation
957,755.12 : 1,436,842.92 = 283,888.40 : x - Step 2: Convert to fraction form
957,755.12/1,436,842.92 = 283,888.40/x - Step 3: Cross multiply
957,755.12x = 1,436,842.92 × 283,888.40 - Step 4: Simplify right side
957,755.12x = 407,903,037,610.13 - Step 5: Solve for x
x = 407,903,037,610.13/957,755.12 - Step 6: Final answer
x = 425,894.92
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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.