Finding the Fourth Proportional to 782,249.76, 1,173,408 and 332,909.28
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Solution
The fourth proportional to 782,249.76, 1,173,408 and 332,909.28 is: 499,378.12
Step by Step Solution
- Step 1: Write the proportion equation
782,249.76 : 1,173,408 = 332,909.28 : x - Step 2: Convert to fraction form
782,249.76/1,173,408 = 332,909.28/x - Step 3: Cross multiply
782,249.76x = 1,173,408 × 332,909.28 - Step 4: Simplify right side
782,249.76x = 390,638,412,426.24 - Step 5: Solve for x
x = 390,638,412,426.24/782,249.76 - Step 6: Final answer
x = 499,378.12
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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.