Finding the Fourth Proportional to 1,028,788.99, 1,419,713.43 and 569,902.19
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Solution
The fourth proportional to 1,028,788.99, 1,419,713.43 and 569,902.19 is: 786,456.50
Step by Step Solution
- Step 1: Write the proportion equation
1,028,788.99 : 1,419,713.43 = 569,902.19 : x - Step 2: Convert to fraction form
1,028,788.99/1,419,713.43 = 569,902.19/x - Step 3: Cross multiply
1,028,788.99x = 1,419,713.43 × 569,902.19 - Step 4: Simplify right side
1,028,788.99x = 809,097,783,693.71 - Step 5: Solve for x
x = 809,097,783,693.71/1,028,788.99 - Step 6: Final answer
x = 786,456.50
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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.