Finding the Fourth Proportional to 663,023.80, 994,535.70 and 331,247.80
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Solution
The fourth proportional to 663,023.80, 994,535.70 and 331,247.80 is: 496,871.70
Step by Step Solution
- Step 1: Write the proportion equation
663,023.80 : 994,535.70 = 331,247.80 : x - Step 2: Convert to fraction form
663,023.80/994,535.70 = 331,247.80/x - Step 3: Cross multiply
663,023.80x = 994,535.70 × 331,247.80 - Step 4: Simplify right side
663,023.80x = 329,437,762,646.46 - Step 5: Solve for x
x = 329,437,762,646.46/663,023.80 - Step 6: Final answer
x = 496,871.70
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Similar ratio
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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.