Finding the Fourth Proportional to 634,138.38, 875,110.74 and 347,652.32
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Solution
The fourth proportional to 634,138.38, 875,110.74 and 347,652.32 is: 479,760.08
Step by Step Solution
- Step 1: Write the proportion equation
634,138.38 : 875,110.74 = 347,652.32 : x - Step 2: Convert to fraction form
634,138.38/875,110.74 = 347,652.32/x - Step 3: Cross multiply
634,138.38x = 875,110.74 × 347,652.32 - Step 4: Simplify right side
634,138.38x = 304,234,279,017.92 - Step 5: Solve for x
x = 304,234,279,017.92/634,138.38 - Step 6: Final answer
x = 479,760.08
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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.