Finding the Fourth Proportional to 882,849.42, 1,218,247.92 and 495,576.18
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Solution
The fourth proportional to 882,849.42, 1,218,247.92 and 495,576.18 is: 683,847.82
Step by Step Solution
- Step 1: Write the proportion equation
882,849.42 : 1,218,247.92 = 495,576.18 : x - Step 2: Convert to fraction form
882,849.42/1,218,247.92 = 495,576.18/x - Step 3: Cross multiply
882,849.42x = 1,218,247.92 × 495,576.18 - Step 4: Simplify right side
882,849.42x = 603,734,650,486.55 - Step 5: Solve for x
x = 603,734,650,486.55/882,849.42 - Step 6: Final answer
x = 683,847.82
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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.