Finding the Fourth Proportional to 930,701.80, 1,396,052.70 and 611,837.20
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Solution
The fourth proportional to 930,701.80, 1,396,052.70 and 611,837.20 is: 917,755.80
Step by Step Solution
- Step 1: Write the proportion equation
930,701.80 : 1,396,052.70 = 611,837.20 : x - Step 2: Convert to fraction form
930,701.80/1,396,052.70 = 611,837.20/x - Step 3: Cross multiply
930,701.80x = 1,396,052.70 × 611,837.20 - Step 4: Simplify right side
930,701.80x = 854,156,975,020.44 - Step 5: Solve for x
x = 854,156,975,020.44/930,701.80 - Step 6: Final answer
x = 917,755.80
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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.