Finding the Fourth Proportional to 756,789.75, 1,044,378.02 and 412,622.88
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Solution
The fourth proportional to 756,789.75, 1,044,378.02 and 412,622.88 is: 569,424.02
Step by Step Solution
- Step 1: Write the proportion equation
756,789.75 : 1,044,378.02 = 412,622.88 : x - Step 2: Convert to fraction form
756,789.75/1,044,378.02 = 412,622.88/x - Step 3: Cross multiply
756,789.75x = 1,044,378.02 × 412,622.88 - Step 4: Simplify right side
756,789.75x = 430,934,263,536.24 - Step 5: Solve for x
x = 430,934,263,536.24/756,789.75 - Step 6: Final answer
x = 569,424.02
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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.