Finding the Fourth Proportional to 624,808.74, 862,234.80 and 338,327.94
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Solution
The fourth proportional to 624,808.74, 862,234.80 and 338,327.94 is: 466,891.87
Step by Step Solution
- Step 1: Write the proportion equation
624,808.74 : 862,234.80 = 338,327.94 : x - Step 2: Convert to fraction form
624,808.74/862,234.80 = 338,327.94/x - Step 3: Cross multiply
624,808.74x = 862,234.80 × 338,327.94 - Step 4: Simplify right side
624,808.74x = 291,718,123,680.31 - Step 5: Solve for x
x = 291,718,123,680.31/624,808.74 - Step 6: Final answer
x = 466,891.87
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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.