Finding the Fourth Proportional to 850,799.99, 1,276,403.63 and 243,596.76
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Solution
The fourth proportional to 850,799.99, 1,276,403.63 and 243,596.76 is: 365,453.45
Step by Step Solution
- Step 1: Write the proportion equation
850,799.99 : 1,276,403.63 = 243,596.76 : x - Step 2: Convert to fraction form
850,799.99/1,276,403.63 = 243,596.76/x - Step 3: Cross multiply
850,799.99x = 1,276,403.63 × 243,596.76 - Step 4: Simplify right side
850,799.99x = 310,927,787,502.26 - Step 5: Solve for x
x = 310,927,787,502.26/850,799.99 - Step 6: Final answer
x = 365,453.45
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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.