Finding the Fourth Proportional to 878,265.26, 1,212,006.86 and 475,857.26
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Solution
The fourth proportional to 878,265.26, 1,212,006.86 and 475,857.26 is: 656,683.45
Step by Step Solution
- Step 1: Write the proportion equation
878,265.26 : 1,212,006.86 = 475,857.26 : x - Step 2: Convert to fraction form
878,265.26/1,212,006.86 = 475,857.26/x - Step 3: Cross multiply
878,265.26x = 1,212,006.86 × 475,857.26 - Step 4: Simplify right side
878,265.26x = 576,742,263,500.80 - Step 5: Solve for x
x = 576,742,263,500.80/878,265.26 - Step 6: Final answer
x = 656,683.45
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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.