Finding the Fourth Proportional to 619,230.24, 854,174.76 and 389,423.01
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Solution
The fourth proportional to 619,230.24, 854,174.76 and 389,423.01 is: 537,175.49
Step by Step Solution
- Step 1: Write the proportion equation
619,230.24 : 854,174.76 = 389,423.01 : x - Step 2: Convert to fraction form
619,230.24/854,174.76 = 389,423.01/x - Step 3: Cross multiply
619,230.24x = 854,174.76 × 389,423.01 - Step 4: Simplify right side
619,230.24x = 332,635,306,105.23 - Step 5: Solve for x
x = 332,635,306,105.23/619,230.24 - Step 6: Final answer
x = 537,175.49
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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.