Finding the Fourth Proportional to 493,246.40, 739,067.70 and 446,007.20
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Solution
The fourth proportional to 493,246.40, 739,067.70 and 446,007.20 is: 668,285.70
Step by Step Solution
- Step 1: Write the proportion equation
493,246.40 : 739,067.70 = 446,007.20 : x - Step 2: Convert to fraction form
493,246.40/739,067.70 = 446,007.20/x - Step 3: Cross multiply
493,246.40x = 739,067.70 × 446,007.20 - Step 4: Simplify right side
493,246.40x = 329,629,515,487.44 - Step 5: Solve for x
x = 329,629,515,487.44/493,246.40 - Step 6: Final answer
x = 668,285.70
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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.