Finding the Fourth Proportional to 741,879.48, 1,112,798.35 and 236,470.77
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Solution
The fourth proportional to 741,879.48, 1,112,798.35 and 236,470.77 is: 354,699.50
Step by Step Solution
- Step 1: Write the proportion equation
741,879.48 : 1,112,798.35 = 236,470.77 : x - Step 2: Convert to fraction form
741,879.48/1,112,798.35 = 236,470.77/x - Step 3: Cross multiply
741,879.48x = 1,112,798.35 × 236,470.77 - Step 4: Simplify right side
741,879.48x = 263,144,282,679.23 - Step 5: Solve for x
x = 263,144,282,679.23/741,879.48 - Step 6: Final answer
x = 354,699.50
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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.