Finding the Fourth Proportional to 741,662.48, 1,023,515.88 and 419,365.76
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Solution
The fourth proportional to 741,662.48, 1,023,515.88 and 419,365.76 is: 578,736.99
Step by Step Solution
- Step 1: Write the proportion equation
741,662.48 : 1,023,515.88 = 419,365.76 : x - Step 2: Convert to fraction form
741,662.48/1,023,515.88 = 419,365.76/x - Step 3: Cross multiply
741,662.48x = 1,023,515.88 × 419,365.76 - Step 4: Simplify right side
741,662.48x = 429,227,514,888.27 - Step 5: Solve for x
x = 429,227,514,888.27/741,662.48 - Step 6: Final answer
x = 578,736.99
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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.