Finding the Fourth Proportional to 606,908.10, 910,252.80 and 381,865.80
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Solution
The fourth proportional to 606,908.10, 910,252.80 and 381,865.80 is: 572,729.90
Step by Step Solution
- Step 1: Write the proportion equation
606,908.10 : 910,252.80 = 381,865.80 : x - Step 2: Convert to fraction form
606,908.10/910,252.80 = 381,865.80/x - Step 3: Cross multiply
606,908.10x = 910,252.80 × 381,865.80 - Step 4: Simplify right side
606,908.10x = 347,594,413,674.24 - Step 5: Solve for x
x = 347,594,413,674.24/606,908.10 - Step 6: Final answer
x = 572,729.90
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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.