Finding the Fourth Proportional to 612,260.07, 844,921.97 and 340,353.19
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Solution
The fourth proportional to 612,260.07, 844,921.97 and 340,353.19 is: 469,689.11
Step by Step Solution
- Step 1: Write the proportion equation
612,260.07 : 844,921.97 = 340,353.19 : x - Step 2: Convert to fraction form
612,260.07/844,921.97 = 340,353.19/x - Step 3: Cross multiply
612,260.07x = 844,921.97 × 340,353.19 - Step 4: Simplify right side
612,260.07x = 287,571,887,790.58 - Step 5: Solve for x
x = 287,571,887,790.58/612,260.07 - Step 6: Final answer
x = 469,689.11
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1.5x scale
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.