Finding the Fourth Proportional to 519,806.88, 717,327.84 and 293,461.92
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Solution
The fourth proportional to 519,806.88, 717,327.84 and 293,461.92 is: 404,974.26
Step by Step Solution
- Step 1: Write the proportion equation
519,806.88 : 717,327.84 = 293,461.92 : x - Step 2: Convert to fraction form
519,806.88/717,327.84 = 293,461.92/x - Step 3: Cross multiply
519,806.88x = 717,327.84 × 293,461.92 - Step 4: Simplify right side
519,806.88x = 210,508,405,195.85 - Step 5: Solve for x
x = 210,508,405,195.85/519,806.88 - Step 6: Final answer
x = 404,974.26
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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.