Finding the Fourth Proportional to 863,641.12, 1,295,609.34 and 294,991
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Solution
The fourth proportional to 863,641.12, 1,295,609.34 and 294,991 is: 442,536.94
Step by Step Solution
- Step 1: Write the proportion equation
863,641.12 : 1,295,609.34 = 294,991 : x - Step 2: Convert to fraction form
863,641.12/1,295,609.34 = 294,991/x - Step 3: Cross multiply
863,641.12x = 1,295,609.34 × 294,991 - Step 4: Simplify right side
863,641.12x = 382,193,094,815.94 - Step 5: Solve for x
x = 382,193,094,815.94/863,641.12 - Step 6: Final answer
x = 442,536.94
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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.