Finding the Fourth Proportional to 817,390.81, 1,226,262.69 and 248,816.37
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Solution
The fourth proportional to 817,390.81, 1,226,262.69 and 248,816.37 is: 373,278.27
Step by Step Solution
- Step 1: Write the proportion equation
817,390.81 : 1,226,262.69 = 248,816.37 : x - Step 2: Convert to fraction form
817,390.81/1,226,262.69 = 248,816.37/x - Step 3: Cross multiply
817,390.81x = 1,226,262.69 × 248,816.37 - Step 4: Simplify right side
817,390.81x = 305,114,231,192.24 - Step 5: Solve for x
x = 305,114,231,192.24/817,390.81 - Step 6: Final answer
x = 373,278.27
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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.