Finding the Fourth Proportional to 439,793.70, 659,690.55 and 329,201.70
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Solution
The fourth proportional to 439,793.70, 659,690.55 and 329,201.70 is: 493,802.55
Step by Step Solution
- Step 1: Write the proportion equation
439,793.70 : 659,690.55 = 329,201.70 : x - Step 2: Convert to fraction form
439,793.70/659,690.55 = 329,201.70/x - Step 3: Cross multiply
439,793.70x = 659,690.55 × 329,201.70 - Step 4: Simplify right side
439,793.70x = 217,171,250,533.94 - Step 5: Solve for x
x = 217,171,250,533.94/439,793.70 - Step 6: Final answer
x = 493,802.55
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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.