Finding the Fourth Proportional to 561,532.26, 774,912.80 and 306,883.48
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Solution
The fourth proportional to 561,532.26, 774,912.80 and 306,883.48 is: 423,498.26
Step by Step Solution
- Step 1: Write the proportion equation
561,532.26 : 774,912.80 = 306,883.48 : x - Step 2: Convert to fraction form
561,532.26/774,912.80 = 306,883.48/x - Step 3: Cross multiply
561,532.26x = 774,912.80 × 306,883.48 - Step 4: Simplify right side
561,532.26x = 237,807,936,760.54 - Step 5: Solve for x
x = 237,807,936,760.54/561,532.26 - Step 6: Final answer
x = 423,498.26
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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.