Finding the Fourth Proportional to 560,666.21, 840,408.73 and 279,592.97
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Solution
The fourth proportional to 560,666.21, 840,408.73 and 279,592.97 is: 419,094.94
Step by Step Solution
- Step 1: Write the proportion equation
560,666.21 : 840,408.73 = 279,592.97 : x - Step 2: Convert to fraction form
560,666.21/840,408.73 = 279,592.97/x - Step 3: Cross multiply
560,666.21x = 840,408.73 × 279,592.97 - Step 4: Simplify right side
560,666.21x = 234,972,374,236.67 - Step 5: Solve for x
x = 234,972,374,236.67/560,666.21 - Step 6: Final answer
x = 419,094.94
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.