Finding the Fourth Proportional to 460,919.70, 691,379.55 and 382,187.70
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Solution
The fourth proportional to 460,919.70, 691,379.55 and 382,187.70 is: 573,281.55
Step by Step Solution
- Step 1: Write the proportion equation
460,919.70 : 691,379.55 = 382,187.70 : x - Step 2: Convert to fraction form
460,919.70/691,379.55 = 382,187.70/x - Step 3: Cross multiply
460,919.70x = 691,379.55 × 382,187.70 - Step 4: Simplify right side
460,919.70x = 264,236,760,041.54 - Step 5: Solve for x
x = 264,236,760,041.54/460,919.70 - Step 6: Final answer
x = 573,281.55
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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.