Finding the Fourth Proportional to 912,580.16, 1,259,368.98 and 504,660.92
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Solution
The fourth proportional to 912,580.16, 1,259,368.98 and 504,660.92 is: 696,436.69
Step by Step Solution
- Step 1: Write the proportion equation
912,580.16 : 1,259,368.98 = 504,660.92 : x - Step 2: Convert to fraction form
912,580.16/1,259,368.98 = 504,660.92/x - Step 3: Cross multiply
912,580.16x = 1,259,368.98 × 504,660.92 - Step 4: Simplify right side
912,580.16x = 635,554,308,066.26 - Step 5: Solve for x
x = 635,554,308,066.26/912,580.16 - Step 6: Final answer
x = 696,436.69
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.