Finding the Fourth Proportional to 756,394.74, 1,043,810.64 and 412,233.48
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Solution
The fourth proportional to 756,394.74, 1,043,810.64 and 412,233.48 is: 568,874.52
Step by Step Solution
- Step 1: Write the proportion equation
756,394.74 : 1,043,810.64 = 412,233.48 : x - Step 2: Convert to fraction form
756,394.74/1,043,810.64 = 412,233.48/x - Step 3: Cross multiply
756,394.74x = 1,043,810.64 × 412,233.48 - Step 4: Simplify right side
756,394.74x = 430,293,692,588.23 - Step 5: Solve for x
x = 430,293,692,588.23/756,394.74 - Step 6: Final answer
x = 568,874.52
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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.