Finding the Fourth Proportional to 892,025.28, 1,230,949.98 and 529,464.96
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Solution
The fourth proportional to 892,025.28, 1,230,949.98 and 529,464.96 is: 730,634.99
Step by Step Solution
- Step 1: Write the proportion equation
892,025.28 : 1,230,949.98 = 529,464.96 : x - Step 2: Convert to fraction form
892,025.28/1,230,949.98 = 529,464.96/x - Step 3: Cross multiply
892,025.28x = 1,230,949.98 × 529,464.96 - Step 4: Simplify right side
892,025.28x = 651,744,881,922.70 - Step 5: Solve for x
x = 651,744,881,922.70/892,025.28 - Step 6: Final answer
x = 730,634.99
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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.