Finding the Fourth Proportional to 959,992.80, 1,324,379.76 and 673,699.92
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Solution
The fourth proportional to 959,992.80, 1,324,379.76 and 673,699.92 is: 929,417.95
Step by Step Solution
- Step 1: Write the proportion equation
959,992.80 : 1,324,379.76 = 673,699.92 : x - Step 2: Convert to fraction form
959,992.80/1,324,379.76 = 673,699.92/x - Step 3: Cross multiply
959,992.80x = 1,324,379.76 × 673,699.92 - Step 4: Simplify right side
959,992.80x = 892,234,538,361.62 - Step 5: Solve for x
x = 892,234,538,361.62/959,992.80 - Step 6: Final answer
x = 929,417.95
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.