Finding the Fourth Proportional to 889,446.80, 1,334,170.20 and 534,861.20
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Solution
The fourth proportional to 889,446.80, 1,334,170.20 and 534,861.20 is: 802,291.80
Step by Step Solution
- Step 1: Write the proportion equation
889,446.80 : 1,334,170.20 = 534,861.20 : x - Step 2: Convert to fraction form
889,446.80/1,334,170.20 = 534,861.20/x - Step 3: Cross multiply
889,446.80x = 1,334,170.20 × 534,861.20 - Step 4: Simplify right side
889,446.80x = 713,595,874,176.24 - Step 5: Solve for x
x = 713,595,874,176.24/889,446.80 - Step 6: Final answer
x = 802,291.80
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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.