Finding the Fourth Proportional to 756,372.96, 1,043,794.86 and 412,208.98
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Solution
The fourth proportional to 756,372.96, 1,043,794.86 and 412,208.98 is: 568,848.49
Step by Step Solution
- Step 1: Write the proportion equation
756,372.96 : 1,043,794.86 = 412,208.98 : x - Step 2: Convert to fraction form
756,372.96/1,043,794.86 = 412,208.98/x - Step 3: Cross multiply
756,372.96x = 1,043,794.86 × 412,208.98 - Step 4: Simplify right side
756,372.96x = 430,261,614,569.84 - Step 5: Solve for x
x = 430,261,614,569.84/756,372.96 - Step 6: Final answer
x = 568,848.49
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1.5x scale
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.