Finding the Fourth Proportional to 505,208.74, 697,204.94 and 275,779.62
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Solution
The fourth proportional to 505,208.74, 697,204.94 and 275,779.62 is: 380,585.09
Step by Step Solution
- Step 1: Write the proportion equation
505,208.74 : 697,204.94 = 275,779.62 : x - Step 2: Convert to fraction form
505,208.74/697,204.94 = 275,779.62/x - Step 3: Cross multiply
505,208.74x = 697,204.94 × 275,779.62 - Step 4: Simplify right side
505,208.74x = 192,274,913,070.60 - Step 5: Solve for x
x = 192,274,913,070.60/505,208.74 - Step 6: Final answer
x = 380,585.09
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1.5x scale
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.