Finding the Fourth Proportional to 742,324.74, 1,114,046.88 and 543,158.94
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Solution
The fourth proportional to 742,324.74, 1,114,046.88 and 543,158.94 is: 815,147.99
Step by Step Solution
- Step 1: Write the proportion equation
742,324.74 : 1,114,046.88 = 543,158.94 : x - Step 2: Convert to fraction form
742,324.74/1,114,046.88 = 543,158.94/x - Step 3: Cross multiply
742,324.74x = 1,114,046.88 × 543,158.94 - Step 4: Simplify right side
742,324.74x = 605,104,522,451.11 - Step 5: Solve for x
x = 605,104,522,451.11/742,324.74 - Step 6: Final answer
x = 815,147.99
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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.