Finding the Fourth Proportional to 742,304.76, 1,114,016.91 and 543,138.99
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Solution
The fourth proportional to 742,304.76, 1,114,016.91 and 543,138.99 is: 815,118.06
Step by Step Solution
- Step 1: Write the proportion equation
742,304.76 : 1,114,016.91 = 543,138.99 : x - Step 2: Convert to fraction form
742,304.76/1,114,016.91 = 543,138.99/x - Step 3: Cross multiply
742,304.76x = 1,114,016.91 × 543,138.99 - Step 4: Simplify right side
742,304.76x = 605,066,016,181.14 - Step 5: Solve for x
x = 605,066,016,181.14/742,304.76 - Step 6: Final answer
x = 815,118.06
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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.