Finding the Fourth Proportional to 998,527.20, 1,497,790.80 and 762,331.20
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Solution
The fourth proportional to 998,527.20, 1,497,790.80 and 762,331.20 is: 1,143,496.80
Step by Step Solution
- Step 1: Write the proportion equation
998,527.20 : 1,497,790.80 = 762,331.20 : x - Step 2: Convert to fraction form
998,527.20/1,497,790.80 = 762,331.20/x - Step 3: Cross multiply
998,527.20x = 1,497,790.80 × 762,331.20 - Step 4: Simplify right side
998,527.20x = 1,141,812,657,912.96 - Step 5: Solve for x
x = 1,141,812,657,912.96/998,527.20 - Step 6: Final answer
x = 1,143,496.80
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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.