Finding the Fourth Proportional to 1,088,338.35, 1,632,544.40 and 289,620.66
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Solution
The fourth proportional to 1,088,338.35, 1,632,544.40 and 289,620.66 is: 434,440.80
Step by Step Solution
- Step 1: Write the proportion equation
1,088,338.35 : 1,632,544.40 = 289,620.66 : x - Step 2: Convert to fraction form
1,088,338.35/1,632,544.40 = 289,620.66/x - Step 3: Cross multiply
1,088,338.35x = 1,632,544.40 × 289,620.66 - Step 4: Simplify right side
1,088,338.35x = 472,818,586,607.30 - Step 5: Solve for x
x = 472,818,586,607.30/1,088,338.35 - Step 6: Final answer
x = 434,440.80
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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.