Finding the Fourth Proportional to 579,218.74, 799,343.50 and 324,560.50
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Solution
The fourth proportional to 579,218.74, 799,343.50 and 324,560.50 is: 447,905.62
Step by Step Solution
- Step 1: Write the proportion equation
579,218.74 : 799,343.50 = 324,560.50 : x - Step 2: Convert to fraction form
579,218.74/799,343.50 = 324,560.50/x - Step 3: Cross multiply
579,218.74x = 799,343.50 × 324,560.50 - Step 4: Simplify right side
579,218.74x = 259,435,326,031.75 - Step 5: Solve for x
x = 259,435,326,031.75/579,218.74 - Step 6: Final answer
x = 447,905.62
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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.