Finding the Fourth Proportional to 912,381.93, 1,259,032.97 and 504,451.76
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Solution
The fourth proportional to 912,381.93, 1,259,032.97 and 504,451.76 is: 696,113.52
Step by Step Solution
- Step 1: Write the proportion equation
912,381.93 : 1,259,032.97 = 504,451.76 : x - Step 2: Convert to fraction form
912,381.93/1,259,032.97 = 504,451.76/x - Step 3: Cross multiply
912,381.93x = 1,259,032.97 × 504,451.76 - Step 4: Simplify right side
912,381.93x = 635,121,392,580.49 - Step 5: Solve for x
x = 635,121,392,580.49/912,381.93 - Step 6: Final answer
x = 696,113.52
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1.5x scale
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.