Finding the Fourth Proportional to 698,493.36, 964,036.80 and 412,083.84
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Solution
The fourth proportional to 698,493.36, 964,036.80 and 412,083.84 is: 568,744.11
Step by Step Solution
- Step 1: Write the proportion equation
698,493.36 : 964,036.80 = 412,083.84 : x - Step 2: Convert to fraction form
698,493.36/964,036.80 = 412,083.84/x - Step 3: Cross multiply
698,493.36x = 964,036.80 × 412,083.84 - Step 4: Simplify right side
698,493.36x = 397,263,986,445.31 - Step 5: Solve for x
x = 397,263,986,445.31/698,493.36 - Step 6: Final answer
x = 568,744.11
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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.