Finding the Fourth Proportional to 806,491.20, 1,209,687.84 and 357,081.12
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Solution
The fourth proportional to 806,491.20, 1,209,687.84 and 357,081.12 is: 535,600.00
Step by Step Solution
- Step 1: Write the proportion equation
806,491.20 : 1,209,687.84 = 357,081.12 : x - Step 2: Convert to fraction form
806,491.20/1,209,687.84 = 357,081.12/x - Step 3: Cross multiply
806,491.20x = 1,209,687.84 × 357,081.12 - Step 4: Simplify right side
806,491.20x = 431,956,688,757.58 - Step 5: Solve for x
x = 431,956,688,757.58/806,491.20 - Step 6: Final answer
x = 535,600.00
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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.