Finding the Fourth Proportional to 742,200.48, 1,112,028.26 and 498,584.99
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Solution
The fourth proportional to 742,200.48, 1,112,028.26 and 498,584.99 is: 747,022.68
Step by Step Solution
- Step 1: Write the proportion equation
742,200.48 : 1,112,028.26 = 498,584.99 : x - Step 2: Convert to fraction form
742,200.48/1,112,028.26 = 498,584.99/x - Step 3: Cross multiply
742,200.48x = 1,112,028.26 × 498,584.99 - Step 4: Simplify right side
742,200.48x = 554,440,590,838.75 - Step 5: Solve for x
x = 554,440,590,838.75/742,200.48 - Step 6: Final answer
x = 747,022.68
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.