Finding the Fourth Proportional to 939,365.86, 1,409,105.62 and 265,497.55
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Solution
The fourth proportional to 939,365.86, 1,409,105.62 and 265,497.55 is: 398,262.38
Step by Step Solution
- Step 1: Write the proportion equation
939,365.86 : 1,409,105.62 = 265,497.55 : x - Step 2: Convert to fraction form
939,365.86/1,409,105.62 = 265,497.55/x - Step 3: Cross multiply
939,365.86x = 1,409,105.62 × 265,497.55 - Step 4: Simplify right side
939,365.86x = 374,114,085,116.92 - Step 5: Solve for x
x = 374,114,085,116.92/939,365.86 - Step 6: Final answer
x = 398,262.38
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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.