Finding the Fourth Proportional to 611,524.20, 917,286.30 and 587,029.80
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Solution
The fourth proportional to 611,524.20, 917,286.30 and 587,029.80 is: 880,544.70
Step by Step Solution
- Step 1: Write the proportion equation
611,524.20 : 917,286.30 = 587,029.80 : x - Step 2: Convert to fraction form
611,524.20/917,286.30 = 587,029.80/x - Step 3: Cross multiply
611,524.20x = 917,286.30 × 587,029.80 - Step 4: Simplify right side
611,524.20x = 538,474,393,231.74 - Step 5: Solve for x
x = 538,474,393,231.74/611,524.20 - Step 6: Final answer
x = 880,544.70
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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.