Finding the Fourth Proportional to 757,173.88, 1,044,900.84 and 434,946.40
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Solution
The fourth proportional to 757,173.88, 1,044,900.84 and 434,946.40 is: 600,226.54
Step by Step Solution
- Step 1: Write the proportion equation
757,173.88 : 1,044,900.84 = 434,946.40 : x - Step 2: Convert to fraction form
757,173.88/1,044,900.84 = 434,946.40/x - Step 3: Cross multiply
757,173.88x = 1,044,900.84 × 434,946.40 - Step 4: Simplify right side
757,173.88x = 454,475,858,714.98 - Step 5: Solve for x
x = 454,475,858,714.98/757,173.88 - Step 6: Final answer
x = 600,226.54
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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.