Finding the Fourth Proportional to 495,246.49, 682,215.92 and 422,412.10
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Solution
The fourth proportional to 495,246.49, 682,215.92 and 422,412.10 is: 581,884.50
Step by Step Solution
- Step 1: Write the proportion equation
495,246.49 : 682,215.92 = 422,412.10 : x - Step 2: Convert to fraction form
495,246.49/682,215.92 = 422,412.10/x - Step 3: Cross multiply
495,246.49x = 682,215.92 × 422,412.10 - Step 4: Simplify right side
495,246.49x = 288,176,257,187.08 - Step 5: Solve for x
x = 288,176,257,187.08/495,246.49 - Step 6: Final answer
x = 581,884.50
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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.