Finding the Fourth Proportional to 886,231.68, 1,329,216.12 and 287,245.68
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Solution
The fourth proportional to 886,231.68, 1,329,216.12 and 287,245.68 is: 430,825.93
Step by Step Solution
- Step 1: Write the proportion equation
886,231.68 : 1,329,216.12 = 287,245.68 : x - Step 2: Convert to fraction form
886,231.68/1,329,216.12 = 287,245.68/x - Step 3: Cross multiply
886,231.68x = 1,329,216.12 × 287,245.68 - Step 4: Simplify right side
886,231.68x = 381,811,588,256.36 - Step 5: Solve for x
x = 381,811,588,256.36/886,231.68 - Step 6: Final answer
x = 430,825.93
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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.