Finding the Fourth Proportional to 835,501.43, 1,253,050.53 and 385,789.99
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Solution
The fourth proportional to 835,501.43, 1,253,050.53 and 385,789.99 is: 578,591.89
Step by Step Solution
- Step 1: Write the proportion equation
835,501.43 : 1,253,050.53 = 385,789.99 : x - Step 2: Convert to fraction form
835,501.43/1,253,050.53 = 385,789.99/x - Step 3: Cross multiply
835,501.43x = 1,253,050.53 × 385,789.99 - Step 4: Simplify right side
835,501.43x = 483,414,352,463.43 - Step 5: Solve for x
x = 483,414,352,463.43/835,501.43 - Step 6: Final answer
x = 578,591.89
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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.