Finding the Fourth Proportional to 682,577.70, 1,023,866.55 and 303,497.70
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Solution
The fourth proportional to 682,577.70, 1,023,866.55 and 303,497.70 is: 455,246.55
Step by Step Solution
- Step 1: Write the proportion equation
682,577.70 : 1,023,866.55 = 303,497.70 : x - Step 2: Convert to fraction form
682,577.70/1,023,866.55 = 303,497.70/x - Step 3: Cross multiply
682,577.70x = 1,023,866.55 × 303,497.70 - Step 4: Simplify right side
682,577.70x = 310,741,143,031.94 - Step 5: Solve for x
x = 310,741,143,031.94/682,577.70 - Step 6: Final answer
x = 455,246.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.