Finding the Fourth Proportional to 818,190, 1,129,205.88 and 460,563.12
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Solution
The fourth proportional to 818,190, 1,129,205.88 and 460,563.12 is: 635,635.47
Step by Step Solution
- Step 1: Write the proportion equation
818,190 : 1,129,205.88 = 460,563.12 : x - Step 2: Convert to fraction form
818,190/1,129,205.88 = 460,563.12/x - Step 3: Cross multiply
818,190x = 1,129,205.88 × 460,563.12 - Step 4: Simplify right side
818,190x = 520,070,583,215.15 - Step 5: Solve for x
x = 520,070,583,215.15/818,190 - Step 6: Final answer
x = 635,635.47
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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.