Finding the Fourth Proportional to 902,942.13, 1,246,099.44 and 540,296.53
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Solution
The fourth proportional to 902,942.13, 1,246,099.44 and 540,296.53 is: 745,632.72
Step by Step Solution
- Step 1: Write the proportion equation
902,942.13 : 1,246,099.44 = 540,296.53 : x - Step 2: Convert to fraction form
902,942.13/1,246,099.44 = 540,296.53/x - Step 3: Cross multiply
902,942.13x = 1,246,099.44 × 540,296.53 - Step 4: Simplify right side
902,942.13x = 673,263,202,377.81 - Step 5: Solve for x
x = 673,263,202,377.81/902,942.13 - Step 6: Final answer
x = 745,632.72
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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.