Finding the Fourth Proportional to 741,872.34, 1,023,838.79 and 415,218.02
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Solution
The fourth proportional to 741,872.34, 1,023,838.79 and 415,218.02 is: 573,031.62
Step by Step Solution
- Step 1: Write the proportion equation
741,872.34 : 1,023,838.79 = 415,218.02 : x - Step 2: Convert to fraction form
741,872.34/1,023,838.79 = 415,218.02/x - Step 3: Cross multiply
741,872.34x = 1,023,838.79 × 415,218.02 - Step 4: Simplify right side
741,872.34x = 425,116,307,987.71 - Step 5: Solve for x
x = 425,116,307,987.71/741,872.34 - Step 6: Final answer
x = 573,031.62
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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.