Finding the Fourth Proportional to 734,762.97, 1,013,903.55 and 412,410.09
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Solution
The fourth proportional to 734,762.97, 1,013,903.55 and 412,410.09 is: 569,087.00
Step by Step Solution
- Step 1: Write the proportion equation
734,762.97 : 1,013,903.55 = 412,410.09 : x - Step 2: Convert to fraction form
734,762.97/1,013,903.55 = 412,410.09/x - Step 3: Cross multiply
734,762.97x = 1,013,903.55 × 412,410.09 - Step 4: Simplify right side
734,762.97x = 418,144,054,306.82 - Step 5: Solve for x
x = 418,144,054,306.82/734,762.97 - Step 6: Final answer
x = 569,087.00
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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.