Finding the Fourth Proportional to 477,211.44, 658,332.35 and 422,818.70
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Solution
The fourth proportional to 477,211.44, 658,332.35 and 422,818.70 is: 583,295.38
Step by Step Solution
- Step 1: Write the proportion equation
477,211.44 : 658,332.35 = 422,818.70 : x - Step 2: Convert to fraction form
477,211.44/658,332.35 = 422,818.70/x - Step 3: Cross multiply
477,211.44x = 658,332.35 × 422,818.70 - Step 4: Simplify right side
477,211.44x = 278,355,227,926.68 - Step 5: Solve for x
x = 278,355,227,926.68/477,211.44 - Step 6: Final answer
x = 583,295.38
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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.