Finding the Fourth Proportional to 667,300.80, 1,000,951.20 and 555,107.70
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Solution
The fourth proportional to 667,300.80, 1,000,951.20 and 555,107.70 is: 832,661.55
Step by Step Solution
- Step 1: Write the proportion equation
667,300.80 : 1,000,951.20 = 555,107.70 : x - Step 2: Convert to fraction form
667,300.80/1,000,951.20 = 555,107.70/x - Step 3: Cross multiply
667,300.80x = 1,000,951.20 × 555,107.70 - Step 4: Simplify right side
667,300.80x = 555,635,718,444.24 - Step 5: Solve for x
x = 555,635,718,444.24/667,300.80 - Step 6: Final answer
x = 832,661.55
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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.