Finding the Fourth Proportional to 634,439.10, 875,445.26 and 362,524.62
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Solution
The fourth proportional to 634,439.10, 875,445.26 and 362,524.62 is: 500,237.86
Step by Step Solution
- Step 1: Write the proportion equation
634,439.10 : 875,445.26 = 362,524.62 : x - Step 2: Convert to fraction form
634,439.10/875,445.26 = 362,524.62/x - Step 3: Cross multiply
634,439.10x = 875,445.26 × 362,524.62 - Step 4: Simplify right side
634,439.10x = 317,370,460,212.30 - Step 5: Solve for x
x = 317,370,460,212.30/634,439.10 - Step 6: Final answer
x = 500,237.86
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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.