Finding the Fourth Proportional to 734,641.43, 1,013,735.16 and 412,277.63
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Solution
The fourth proportional to 734,641.43, 1,013,735.16 and 412,277.63 is: 568,903.84
Step by Step Solution
- Step 1: Write the proportion equation
734,641.43 : 1,013,735.16 = 412,277.63 : x - Step 2: Convert to fraction form
734,641.43/1,013,735.16 = 412,277.63/x - Step 3: Cross multiply
734,641.43x = 1,013,735.16 × 412,277.63 - Step 4: Simplify right side
734,641.43x = 417,940,324,143.80 - Step 5: Solve for x
x = 417,940,324,143.80/734,641.43 - Step 6: Final answer
x = 568,903.84
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1.5x scale
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.