Finding the Fourth Proportional to 1,116,228, 1,674,343.68 and 516,862.56
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Solution
The fourth proportional to 1,116,228, 1,674,343.68 and 516,862.56 is: 775,294.62
Step by Step Solution
- Step 1: Write the proportion equation
1,116,228 : 1,674,343.68 = 516,862.56 : x - Step 2: Convert to fraction form
1,116,228/1,674,343.68 = 516,862.56/x - Step 3: Cross multiply
1,116,228x = 1,674,343.68 × 516,862.56 - Step 4: Simplify right side
1,116,228x = 865,405,560,764.62 - Step 5: Solve for x
x = 865,405,560,764.62/1,116,228 - Step 6: Final answer
x = 775,294.62
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.