Finding the Fourth Proportional to 842,863.04, 1,264,153.44 and 281,895.68
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Solution
The fourth proportional to 842,863.04, 1,264,153.44 and 281,895.68 is: 422,796.32
Step by Step Solution
- Step 1: Write the proportion equation
842,863.04 : 1,264,153.44 = 281,895.68 : x - Step 2: Convert to fraction form
842,863.04/1,264,153.44 = 281,895.68/x - Step 3: Cross multiply
842,863.04x = 1,264,153.44 × 281,895.68 - Step 4: Simplify right side
842,863.04x = 356,359,393,593.14 - Step 5: Solve for x
x = 356,359,393,593.14/842,863.04 - Step 6: Final answer
x = 422,796.32
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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.