Finding the Fourth Proportional to 606,904.10, 910,246.80 and 381,861.80
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Solution
The fourth proportional to 606,904.10, 910,246.80 and 381,861.80 is: 572,723.90
Step by Step Solution
- Step 1: Write the proportion equation
606,904.10 : 910,246.80 = 381,861.80 : x - Step 2: Convert to fraction form
606,904.10/910,246.80 = 381,861.80/x - Step 3: Cross multiply
606,904.10x = 910,246.80 × 381,861.80 - Step 4: Simplify right side
606,904.10x = 347,588,481,492.24 - Step 5: Solve for x
x = 347,588,481,492.24/606,904.10 - Step 6: Final answer
x = 572,723.90
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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.