Finding the Fourth Proportional to 684,137.88, 944,107.92 and 382,331.88
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Solution
The fourth proportional to 684,137.88, 944,107.92 and 382,331.88 is: 527,616.68
Step by Step Solution
- Step 1: Write the proportion equation
684,137.88 : 944,107.92 = 382,331.88 : x - Step 2: Convert to fraction form
684,137.88/944,107.92 = 382,331.88/x - Step 3: Cross multiply
684,137.88x = 944,107.92 × 382,331.88 - Step 4: Simplify right side
684,137.88x = 360,962,555,976.49 - Step 5: Solve for x
x = 360,962,555,976.49/684,137.88 - Step 6: Final answer
x = 527,616.68
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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.