Finding the Fourth Proportional to 505,822.04, 758,733.06 and 281,074.99
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Solution
The fourth proportional to 505,822.04, 758,733.06 and 281,074.99 is: 421,612.47
Step by Step Solution
- Step 1: Write the proportion equation
505,822.04 : 758,733.06 = 281,074.99 : x - Step 2: Convert to fraction form
505,822.04/758,733.06 = 281,074.99/x - Step 3: Cross multiply
505,822.04x = 758,733.06 × 281,074.99 - Step 4: Simplify right side
505,822.04x = 213,260,882,053.13 - Step 5: Solve for x
x = 213,260,882,053.13/505,822.04 - Step 6: Final answer
x = 421,612.47
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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.