Finding the Fourth Proportional to 460,499.98, 691,221.12 and 380,282.44
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Solution
The fourth proportional to 460,499.98, 691,221.12 and 380,282.44 is: 570,812.74
Step by Step Solution
- Step 1: Write the proportion equation
460,499.98 : 691,221.12 = 380,282.44 : x - Step 2: Convert to fraction form
460,499.98/691,221.12 = 380,282.44/x - Step 3: Cross multiply
460,499.98x = 691,221.12 × 380,282.44 - Step 4: Simplify right side
460,499.98x = 262,859,254,093.13 - Step 5: Solve for x
x = 262,859,254,093.13/460,499.98 - Step 6: Final answer
x = 570,812.74
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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.