Finding the Fourth Proportional to 649,439.10, 896,236.11 and 362,977.74
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Solution
The fourth proportional to 649,439.10, 896,236.11 and 362,977.74 is: 500,914.96
Step by Step Solution
- Step 1: Write the proportion equation
649,439.10 : 896,236.11 = 362,977.74 : x - Step 2: Convert to fraction form
649,439.10/896,236.11 = 362,977.74/x - Step 3: Cross multiply
649,439.10x = 896,236.11 × 362,977.74 - Step 4: Simplify right side
649,439.10x = 325,313,757,714.19 - Step 5: Solve for x
x = 325,313,757,714.19/649,439.10 - Step 6: Final answer
x = 500,914.96
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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.