Finding the Fourth Proportional to 471,011.40, 706,517.10 and 365,905.80
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Solution
The fourth proportional to 471,011.40, 706,517.10 and 365,905.80 is: 548,858.70
Step by Step Solution
- Step 1: Write the proportion equation
471,011.40 : 706,517.10 = 365,905.80 : x - Step 2: Convert to fraction form
471,011.40/706,517.10 = 365,905.80/x - Step 3: Cross multiply
471,011.40x = 706,517.10 × 365,905.80 - Step 4: Simplify right side
471,011.40x = 258,518,704,689.18 - Step 5: Solve for x
x = 258,518,704,689.18/471,011.40 - Step 6: Final answer
x = 548,858.70
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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.