Finding the Fourth Proportional to 863,557.72, 1,192,639.08 and 657,409.48
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Solution
The fourth proportional to 863,557.72, 1,192,639.08 and 657,409.48 is: 907,932.64
Step by Step Solution
- Step 1: Write the proportion equation
863,557.72 : 1,192,639.08 = 657,409.48 : x - Step 2: Convert to fraction form
863,557.72/1,192,639.08 = 657,409.48/x - Step 3: Cross multiply
863,557.72x = 1,192,639.08 × 657,409.48 - Step 4: Simplify right side
863,557.72x = 784,052,237,410.48 - Step 5: Solve for x
x = 784,052,237,410.48/863,557.72 - Step 6: Final answer
x = 907,932.64
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.