Finding the Fourth Proportional to 912,534.72, 1,259,305.92 and 504,663.68
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Solution
The fourth proportional to 912,534.72, 1,259,305.92 and 504,663.68 is: 696,440.31
Step by Step Solution
- Step 1: Write the proportion equation
912,534.72 : 1,259,305.92 = 504,663.68 : x - Step 2: Convert to fraction form
912,534.72/1,259,305.92 = 504,663.68/x - Step 3: Cross multiply
912,534.72x = 1,259,305.92 × 504,663.68 - Step 4: Simplify right side
912,534.72x = 635,525,959,832.99 - Step 5: Solve for x
x = 635,525,959,832.99/912,534.72 - Step 6: Final answer
x = 696,440.31
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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.