Finding the Fourth Proportional to 667,276.02, 920,840.94 and 365,470.02
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Solution
The fourth proportional to 667,276.02, 920,840.94 and 365,470.02 is: 504,348.65
Step by Step Solution
- Step 1: Write the proportion equation
667,276.02 : 920,840.94 = 365,470.02 : x - Step 2: Convert to fraction form
667,276.02/920,840.94 = 365,470.02/x - Step 3: Cross multiply
667,276.02x = 920,840.94 × 365,470.02 - Step 4: Simplify right side
667,276.02x = 336,539,756,758.62 - Step 5: Solve for x
x = 336,539,756,758.62/667,276.02 - Step 6: Final answer
x = 504,348.65
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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.