Finding the Fourth Proportional to 776,705.36, 1,072,185.06 and 522,204.14
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Solution
The fourth proportional to 776,705.36, 1,072,185.06 and 522,204.14 is: 720,864.70
Step by Step Solution
- Step 1: Write the proportion equation
776,705.36 : 1,072,185.06 = 522,204.14 : x - Step 2: Convert to fraction form
776,705.36/1,072,185.06 = 522,204.14/x - Step 3: Cross multiply
776,705.36x = 1,072,185.06 × 522,204.14 - Step 4: Simplify right side
776,705.36x = 559,899,477,178.15 - Step 5: Solve for x
x = 559,899,477,178.15/776,705.36 - Step 6: Final answer
x = 720,864.70
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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.