Finding the Fourth Proportional to 859,323.24, 1,289,772.54 and 460,414.44
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Solution
The fourth proportional to 859,323.24, 1,289,772.54 and 460,414.44 is: 691,043.69
Step by Step Solution
- Step 1: Write the proportion equation
859,323.24 : 1,289,772.54 = 460,414.44 : x - Step 2: Convert to fraction form
859,323.24/1,289,772.54 = 460,414.44/x - Step 3: Cross multiply
859,323.24x = 1,289,772.54 × 460,414.44 - Step 4: Simplify right side
859,323.24x = 593,829,901,731.48 - Step 5: Solve for x
x = 593,829,901,731.48/859,323.24 - Step 6: Final answer
x = 691,043.69
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.