Finding the Fourth Proportional to 734,564.97, 1,013,798.57 and 412,292.70
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Solution
The fourth proportional to 734,564.97, 1,013,798.57 and 412,292.70 is: 569,019.44
Step by Step Solution
- Step 1: Write the proportion equation
734,564.97 : 1,013,798.57 = 412,292.70 : x - Step 2: Convert to fraction form
734,564.97/1,013,798.57 = 412,292.70/x - Step 3: Cross multiply
734,564.97x = 1,013,798.57 × 412,292.70 - Step 4: Simplify right side
734,564.97x = 417,981,747,619.98 - Step 5: Solve for x
x = 417,981,747,619.98/734,564.97 - Step 6: Final answer
x = 569,019.44
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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.