Finding the Fourth Proportional to 850,912.06, 1,174,258.66 and 468,938.84
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Solution
The fourth proportional to 850,912.06, 1,174,258.66 and 468,938.84 is: 647,135.61
Step by Step Solution
- Step 1: Write the proportion equation
850,912.06 : 1,174,258.66 = 468,938.84 : x - Step 2: Convert to fraction form
850,912.06/1,174,258.66 = 468,938.84/x - Step 3: Cross multiply
850,912.06x = 1,174,258.66 × 468,938.84 - Step 4: Simplify right side
850,912.06x = 550,655,493,880.35 - Step 5: Solve for x
x = 550,655,493,880.35/850,912.06 - Step 6: Final answer
x = 647,135.61
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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.