Finding the Fourth Proportional to 776,706.36, 1,072,186.44 and 522,205.14
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Solution
The fourth proportional to 776,706.36, 1,072,186.44 and 522,205.14 is: 720,866.08
Step by Step Solution
- Step 1: Write the proportion equation
776,706.36 : 1,072,186.44 = 522,205.14 : x - Step 2: Convert to fraction form
776,706.36/1,072,186.44 = 522,205.14/x - Step 3: Cross multiply
776,706.36x = 1,072,186.44 × 522,205.14 - Step 4: Simplify right side
776,706.36x = 559,901,270,006.30 - Step 5: Solve for x
x = 559,901,270,006.30/776,706.36 - Step 6: Final answer
x = 720,866.08
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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.