Finding the Fourth Proportional to 724,408.42, 1,086,366.56 and 250,983.26
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Solution
The fourth proportional to 724,408.42, 1,086,366.56 and 250,983.26 is: 376,389.63
Step by Step Solution
- Step 1: Write the proportion equation
724,408.42 : 1,086,366.56 = 250,983.26 : x - Step 2: Convert to fraction form
724,408.42/1,086,366.56 = 250,983.26/x - Step 3: Cross multiply
724,408.42x = 1,086,366.56 × 250,983.26 - Step 4: Simplify right side
724,408.42x = 272,659,820,783.79 - Step 5: Solve for x
x = 272,659,820,783.79/724,408.42 - Step 6: Final answer
x = 376,389.63
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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.