Finding the Fourth Proportional to 624,859.18, 862,306.50 and 338,379.76
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Solution
The fourth proportional to 624,859.18, 862,306.50 and 338,379.76 is: 466,964.52
Step by Step Solution
- Step 1: Write the proportion equation
624,859.18 : 862,306.50 = 338,379.76 : x - Step 2: Convert to fraction form
624,859.18/862,306.50 = 338,379.76/x - Step 3: Cross multiply
624,859.18x = 862,306.50 × 338,379.76 - Step 4: Simplify right side
624,859.18x = 291,787,066,516.44 - Step 5: Solve for x
x = 291,787,066,516.44/624,859.18 - Step 6: Final answer
x = 466,964.52
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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.