Finding the Fourth Proportional to 890,161.56, 1,335,409.68 and 357,724.80
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Solution
The fourth proportional to 890,161.56, 1,335,409.68 and 357,724.80 is: 536,654.45
Step by Step Solution
- Step 1: Write the proportion equation
890,161.56 : 1,335,409.68 = 357,724.80 : x - Step 2: Convert to fraction form
890,161.56/1,335,409.68 = 357,724.80/x - Step 3: Cross multiply
890,161.56x = 1,335,409.68 × 357,724.80 - Step 4: Simplify right side
890,161.56x = 477,709,160,696.06 - Step 5: Solve for x
x = 477,709,160,696.06/890,161.56 - Step 6: Final answer
x = 536,654.45
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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.