Finding the Fourth Proportional to 1,028,604.54, 1,542,783.93 and 270,505.09
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Solution
The fourth proportional to 1,028,604.54, 1,542,783.93 and 270,505.09 is: 405,725.32
Step by Step Solution
- Step 1: Write the proportion equation
1,028,604.54 : 1,542,783.93 = 270,505.09 : x - Step 2: Convert to fraction form
1,028,604.54/1,542,783.93 = 270,505.09/x - Step 3: Cross multiply
1,028,604.54x = 1,542,783.93 × 270,505.09 - Step 4: Simplify right side
1,028,604.54x = 417,330,905,835.20 - Step 5: Solve for x
x = 417,330,905,835.20/1,028,604.54 - Step 6: Final answer
x = 405,725.32
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.