Finding the Fourth Proportional to 867,546.64, 1,197,239.70 and 485,563.60
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Solution
The fourth proportional to 867,546.64, 1,197,239.70 and 485,563.60 is: 670,091.95
Step by Step Solution
- Step 1: Write the proportion equation
867,546.64 : 1,197,239.70 = 485,563.60 : x - Step 2: Convert to fraction form
867,546.64/1,197,239.70 = 485,563.60/x - Step 3: Cross multiply
867,546.64x = 1,197,239.70 × 485,563.60 - Step 4: Simplify right side
867,546.64x = 581,336,018,794.92 - Step 5: Solve for x
x = 581,336,018,794.92/867,546.64 - Step 6: Final answer
x = 670,091.95
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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.