Finding the Fourth Proportional to 505,820.60, 697,740.18 and 324,468.08
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Solution
The fourth proportional to 505,820.60, 697,740.18 and 324,468.08 is: 447,578.48
Step by Step Solution
- Step 1: Write the proportion equation
505,820.60 : 697,740.18 = 324,468.08 : x - Step 2: Convert to fraction form
505,820.60/697,740.18 = 324,468.08/x - Step 3: Cross multiply
505,820.60x = 697,740.18 × 324,468.08 - Step 4: Simplify right side
505,820.60x = 226,394,416,543.45 - Step 5: Solve for x
x = 226,394,416,543.45/505,820.60 - Step 6: Final answer
x = 447,578.48
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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.