Finding the Fourth Proportional to 461,236.80, 690,688.80 and 367,924.80
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Solution
The fourth proportional to 461,236.80, 690,688.80 and 367,924.80 is: 550,956.77
Step by Step Solution
- Step 1: Write the proportion equation
461,236.80 : 690,688.80 = 367,924.80 : x - Step 2: Convert to fraction form
461,236.80/690,688.80 = 367,924.80/x - Step 3: Cross multiply
461,236.80x = 690,688.80 × 367,924.80 - Step 4: Simplify right side
461,236.80x = 254,121,538,602.24 - Step 5: Solve for x
x = 254,121,538,602.24/461,236.80 - Step 6: Final answer
x = 550,956.77
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1.5x scale
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.