Finding the Fourth Proportional to 618,857.50, 854,023.35 and 350,585.50
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Solution
The fourth proportional to 618,857.50, 854,023.35 and 350,585.50 is: 483,807.99
Step by Step Solution
- Step 1: Write the proportion equation
618,857.50 : 854,023.35 = 350,585.50 : x - Step 2: Convert to fraction form
618,857.50/854,023.35 = 350,585.50/x - Step 3: Cross multiply
618,857.50x = 854,023.35 × 350,585.50 - Step 4: Simplify right side
618,857.50x = 299,408,203,171.43 - Step 5: Solve for x
x = 299,408,203,171.43/618,857.50 - Step 6: Final answer
x = 483,807.99
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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.