Finding the Fourth Proportional to 505,475.39, 697,567.80 and 276,034.26
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Solution
The fourth proportional to 505,475.39, 697,567.80 and 276,034.26 is: 380,933.70
Step by Step Solution
- Step 1: Write the proportion equation
505,475.39 : 697,567.80 = 276,034.26 : x - Step 2: Convert to fraction form
505,475.39/697,567.80 = 276,034.26/x - Step 3: Cross multiply
505,475.39x = 697,567.80 × 276,034.26 - Step 4: Simplify right side
505,475.39x = 192,552,607,685.42 - Step 5: Solve for x
x = 192,552,607,685.42/505,475.39 - Step 6: Final answer
x = 380,933.70
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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.