Finding the Fourth Proportional to 999,797.86, 1,379,717.27 and 540,910.99
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Solution
The fourth proportional to 999,797.86, 1,379,717.27 and 540,910.99 is: 746,455.12
Step by Step Solution
- Step 1: Write the proportion equation
999,797.86 : 1,379,717.27 = 540,910.99 : x - Step 2: Convert to fraction form
999,797.86/1,379,717.27 = 540,910.99/x - Step 3: Cross multiply
999,797.86x = 1,379,717.27 × 540,910.99 - Step 4: Simplify right side
999,797.86x = 746,304,231,731.24 - Step 5: Solve for x
x = 746,304,231,731.24/999,797.86 - Step 6: Final answer
x = 746,455.12
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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.