Finding the Fourth Proportional to 810,546.35, 1,215,817.89 and 761,221.99
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Solution
The fourth proportional to 810,546.35, 1,215,817.89 and 761,221.99 is: 1,141,831.44
Step by Step Solution
- Step 1: Write the proportion equation
810,546.35 : 1,215,817.89 = 761,221.99 : x - Step 2: Convert to fraction form
810,546.35/1,215,817.89 = 761,221.99/x - Step 3: Cross multiply
810,546.35x = 1,215,817.89 × 761,221.99 - Step 4: Simplify right side
810,546.35x = 925,507,307,624.31 - Step 5: Solve for x
x = 925,507,307,624.31/810,546.35 - Step 6: Final answer
x = 1,141,831.44
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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.