Finding the Fourth Proportional to 890,471.26, 1,335,374.79 and 357,812.02
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Solution
The fourth proportional to 890,471.26, 1,335,374.79 and 357,812.02 is: 536,584.58
Step by Step Solution
- Step 1: Write the proportion equation
890,471.26 : 1,335,374.79 = 357,812.02 : x - Step 2: Convert to fraction form
890,471.26/1,335,374.79 = 357,812.02/x - Step 3: Cross multiply
890,471.26x = 1,335,374.79 × 357,812.02 - Step 4: Simplify right side
890,471.26x = 477,813,151,066.98 - Step 5: Solve for x
x = 477,813,151,066.98/890,471.26 - Step 6: Final answer
x = 536,584.58
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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.