Finding the Fourth Proportional to 999,676.67, 1,379,549.63 and 540,790.09
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Solution
The fourth proportional to 999,676.67, 1,379,549.63 and 540,790.09 is: 746,288.07
Step by Step Solution
- Step 1: Write the proportion equation
999,676.67 : 1,379,549.63 = 540,790.09 : x - Step 2: Convert to fraction form
999,676.67/1,379,549.63 = 540,790.09/x - Step 3: Cross multiply
999,676.67x = 1,379,549.63 × 540,790.09 - Step 4: Simplify right side
999,676.67x = 746,046,766,470.27 - Step 5: Solve for x
x = 746,046,766,470.27/999,676.67 - Step 6: Final answer
x = 746,288.07
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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.