Finding the Fourth Proportional to 850,791.48, 1,276,390.88 and 243,588.24
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Solution
The fourth proportional to 850,791.48, 1,276,390.88 and 243,588.24 is: 365,440.67
Step by Step Solution
- Step 1: Write the proportion equation
850,791.48 : 1,276,390.88 = 243,588.24 : x - Step 2: Convert to fraction form
850,791.48/1,276,390.88 = 243,588.24/x - Step 3: Cross multiply
850,791.48x = 1,276,390.88 × 243,588.24 - Step 4: Simplify right side
850,791.48x = 310,913,808,011.25 - Step 5: Solve for x
x = 310,913,808,011.25/850,791.48 - Step 6: Final answer
x = 365,440.67
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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.