Finding the Fourth Proportional to 971,771.20, 1,457,000.70 and 516,437.80
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Solution
The fourth proportional to 971,771.20, 1,457,000.70 and 516,437.80 is: 774,308.02
Step by Step Solution
- Step 1: Write the proportion equation
971,771.20 : 1,457,000.70 = 516,437.80 : x - Step 2: Convert to fraction form
971,771.20/1,457,000.70 = 516,437.80/x - Step 3: Cross multiply
971,771.20x = 1,457,000.70 × 516,437.80 - Step 4: Simplify right side
971,771.20x = 752,450,236,106.46 - Step 5: Solve for x
x = 752,450,236,106.46/971,771.20 - Step 6: Final answer
x = 774,308.02
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.