Finding the Fourth Proportional to 929,113.44, 1,394,178.12 and 360,516.96
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Solution
The fourth proportional to 929,113.44, 1,394,178.12 and 360,516.96 is: 540,972.54
Step by Step Solution
- Step 1: Write the proportion equation
929,113.44 : 1,394,178.12 = 360,516.96 : x - Step 2: Convert to fraction form
929,113.44/1,394,178.12 = 360,516.96/x - Step 3: Cross multiply
929,113.44x = 1,394,178.12 × 360,516.96 - Step 4: Simplify right side
929,113.44x = 502,624,857,520.92 - Step 5: Solve for x
x = 502,624,857,520.92/929,113.44 - Step 6: Final answer
x = 540,972.54
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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.