Finding the Fourth Proportional to 951,709.36, 1,313,395.68 and 522,007.60
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Solution
The fourth proportional to 951,709.36, 1,313,395.68 and 522,007.60 is: 720,390.65
Step by Step Solution
- Step 1: Write the proportion equation
951,709.36 : 1,313,395.68 = 522,007.60 : x - Step 2: Convert to fraction form
951,709.36/1,313,395.68 = 522,007.60/x - Step 3: Cross multiply
951,709.36x = 1,313,395.68 × 522,007.60 - Step 4: Simplify right side
951,709.36x = 685,602,526,767.17 - Step 5: Solve for x
x = 685,602,526,767.17/951,709.36 - Step 6: Final answer
x = 720,390.65
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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.