Finding the Fourth Proportional to 694,338.36, 957,800.76 and 403,917.12
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Solution
The fourth proportional to 694,338.36, 957,800.76 and 403,917.12 is: 557,180.98
Step by Step Solution
- Step 1: Write the proportion equation
694,338.36 : 957,800.76 = 403,917.12 : x - Step 2: Convert to fraction form
694,338.36/957,800.76 = 403,917.12/x - Step 3: Cross multiply
694,338.36x = 957,800.76 × 403,917.12 - Step 4: Simplify right side
694,338.36x = 386,872,124,513.01 - Step 5: Solve for x
x = 386,872,124,513.01/694,338.36 - Step 6: Final answer
x = 557,180.98
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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.