Finding the Fourth Proportional to 734,554.40, 1,013,557.08 and 412,278.08
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Solution
The fourth proportional to 734,554.40, 1,013,557.08 and 412,278.08 is: 568,871.91
Step by Step Solution
- Step 1: Write the proportion equation
734,554.40 : 1,013,557.08 = 412,278.08 : x - Step 2: Convert to fraction form
734,554.40/1,013,557.08 = 412,278.08/x - Step 3: Cross multiply
734,554.40x = 1,013,557.08 × 412,278.08 - Step 4: Simplify right side
734,554.40x = 417,867,366,912.81 - Step 5: Solve for x
x = 417,867,366,912.81/734,554.40 - Step 6: Final answer
x = 568,871.91
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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.