Finding the Fourth Proportional to 829,703.39, 1,244,553.35 and 261,134.18
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Solution
The fourth proportional to 829,703.39, 1,244,553.35 and 261,134.18 is: 391,700.72
Step by Step Solution
- Step 1: Write the proportion equation
829,703.39 : 1,244,553.35 = 261,134.18 : x - Step 2: Convert to fraction form
829,703.39/1,244,553.35 = 261,134.18/x - Step 3: Cross multiply
829,703.39x = 1,244,553.35 × 261,134.18 - Step 4: Simplify right side
829,703.39x = 324,995,418,518.50 - Step 5: Solve for x
x = 324,995,418,518.50/829,703.39 - Step 6: Final answer
x = 391,700.72
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.