Finding the Fourth Proportional to 942,679.92, 1,414,241.36 and 311,593.74
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Solution
The fourth proportional to 942,679.92, 1,414,241.36 and 311,593.74 is: 467,463.82
Step by Step Solution
- Step 1: Write the proportion equation
942,679.92 : 1,414,241.36 = 311,593.74 : x - Step 2: Convert to fraction form
942,679.92/1,414,241.36 = 311,593.74/x - Step 3: Cross multiply
942,679.92x = 1,414,241.36 × 311,593.74 - Step 4: Simplify right side
942,679.92x = 440,668,754,625.09 - Step 5: Solve for x
x = 440,668,754,625.09/942,679.92 - Step 6: Final answer
x = 467,463.82
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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.