Finding the Fourth Proportional to 816,409.26, 1,126,252.35 and 530,019.18
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Solution
The fourth proportional to 816,409.26, 1,126,252.35 and 530,019.18 is: 731,171.70
Step by Step Solution
- Step 1: Write the proportion equation
816,409.26 : 1,126,252.35 = 530,019.18 : x - Step 2: Convert to fraction form
816,409.26/1,126,252.35 = 530,019.18/x - Step 3: Cross multiply
816,409.26x = 1,126,252.35 × 530,019.18 - Step 4: Simplify right side
816,409.26x = 596,935,347,020.07 - Step 5: Solve for x
x = 596,935,347,020.07/816,409.26 - Step 6: Final answer
x = 731,171.70
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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.