Finding the Fourth Proportional to 863,290.24, 1,295,517.12 and 302,329.60
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Solution
The fourth proportional to 863,290.24, 1,295,517.12 and 302,329.60 is: 453,698.14
Step by Step Solution
- Step 1: Write the proportion equation
863,290.24 : 1,295,517.12 = 302,329.60 : x - Step 2: Convert to fraction form
863,290.24/1,295,517.12 = 302,329.60/x - Step 3: Cross multiply
863,290.24x = 1,295,517.12 × 302,329.60 - Step 4: Simplify right side
863,290.24x = 391,673,172,682.75 - Step 5: Solve for x
x = 391,673,172,682.75/863,290.24 - Step 6: Final answer
x = 453,698.14
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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.