Finding the Fourth Proportional to 723,861.18, 998,929.62 and 401,571.28
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Solution
The fourth proportional to 723,861.18, 998,929.62 and 401,571.28 is: 554,169.03
Step by Step Solution
- Step 1: Write the proportion equation
723,861.18 : 998,929.62 = 401,571.28 : x - Step 2: Convert to fraction form
723,861.18/998,929.62 = 401,571.28/x - Step 3: Cross multiply
723,861.18x = 998,929.62 × 401,571.28 - Step 4: Simplify right side
723,861.18x = 401,141,446,133.31 - Step 5: Solve for x
x = 401,141,446,133.31/723,861.18 - Step 6: Final answer
x = 554,169.03
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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.