Finding the Fourth Proportional to 912,657.66, 1,259,475.93 and 504,738.42
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Solution
The fourth proportional to 912,657.66, 1,259,475.93 and 504,738.42 is: 696,543.64
Step by Step Solution
- Step 1: Write the proportion equation
912,657.66 : 1,259,475.93 = 504,738.42 : x - Step 2: Convert to fraction form
912,657.66/1,259,475.93 = 504,738.42/x - Step 3: Cross multiply
912,657.66x = 1,259,475.93 × 504,738.42 - Step 4: Simplify right side
912,657.66x = 635,705,890,936.23 - Step 5: Solve for x
x = 635,705,890,936.23/912,657.66 - Step 6: Final answer
x = 696,543.64
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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.