Finding the Fourth Proportional to 741,967.92, 1,112,998.20 and 209,529.84
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Solution
The fourth proportional to 741,967.92, 1,112,998.20 and 209,529.84 is: 314,307.84
Step by Step Solution
- Step 1: Write the proportion equation
741,967.92 : 1,112,998.20 = 209,529.84 : x - Step 2: Convert to fraction form
741,967.92/1,112,998.20 = 209,529.84/x - Step 3: Cross multiply
741,967.92x = 1,112,998.20 × 209,529.84 - Step 4: Simplify right side
741,967.92x = 233,206,334,766.29 - Step 5: Solve for x
x = 233,206,334,766.29/741,967.92 - Step 6: Final answer
x = 314,307.84
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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.