Finding the Fourth Proportional to 912,753.09, 1,259,588.48 and 504,822.92
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Solution
The fourth proportional to 912,753.09, 1,259,588.48 and 504,822.92 is: 696,649.66
Step by Step Solution
- Step 1: Write the proportion equation
912,753.09 : 1,259,588.48 = 504,822.92 : x - Step 2: Convert to fraction form
912,753.09/1,259,588.48 = 504,822.92/x - Step 3: Cross multiply
912,753.09x = 1,259,588.48 × 504,822.92 - Step 4: Simplify right side
912,753.09x = 635,869,125,649.91 - Step 5: Solve for x
x = 635,869,125,649.91/912,753.09 - Step 6: Final answer
x = 696,649.66
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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.