Finding the Fourth Proportional to 606,907.10, 910,251.30 and 381,864.80
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Solution
The fourth proportional to 606,907.10, 910,251.30 and 381,864.80 is: 572,728.40
Step by Step Solution
- Step 1: Write the proportion equation
606,907.10 : 910,251.30 = 381,864.80 : x - Step 2: Convert to fraction form
606,907.10/910,251.30 = 381,864.80/x - Step 3: Cross multiply
606,907.10x = 910,251.30 × 381,864.80 - Step 4: Simplify right side
606,907.10x = 347,592,930,624.24 - Step 5: Solve for x
x = 347,592,930,624.24/606,907.10 - Step 6: Final answer
x = 572,728.40
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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.