Finding the Fourth Proportional to 972,759.36, 1,341,349.92 and 632,596.80
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Solution
The fourth proportional to 972,759.36, 1,341,349.92 and 632,596.80 is: 872,295.56
Step by Step Solution
- Step 1: Write the proportion equation
972,759.36 : 1,341,349.92 = 632,596.80 : x - Step 2: Convert to fraction form
972,759.36/1,341,349.92 = 632,596.80/x - Step 3: Cross multiply
972,759.36x = 1,341,349.92 × 632,596.80 - Step 4: Simplify right side
972,759.36x = 848,533,667,072.26 - Step 5: Solve for x
x = 848,533,667,072.26/972,759.36 - Step 6: Final answer
x = 872,295.56
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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.