Finding the Fourth Proportional to 878,304.24, 1,212,060.72 and 475,896.24
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Solution
The fourth proportional to 878,304.24, 1,212,060.72 and 475,896.24 is: 656,737.28
Step by Step Solution
- Step 1: Write the proportion equation
878,304.24 : 1,212,060.72 = 475,896.24 : x - Step 2: Convert to fraction form
878,304.24/1,212,060.72 = 475,896.24/x - Step 3: Cross multiply
878,304.24x = 1,212,060.72 × 475,896.24 - Step 4: Simplify right side
878,304.24x = 576,815,139,299.69 - Step 5: Solve for x
x = 576,815,139,299.69/878,304.24 - Step 6: Final answer
x = 656,737.28
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1.5x scale
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.