Finding the Fourth Proportional to 669,311.12, 1,004,365.61 and 242,880.21
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Solution
The fourth proportional to 669,311.12, 1,004,365.61 and 242,880.21 is: 364,465.08
Step by Step Solution
- Step 1: Write the proportion equation
669,311.12 : 1,004,365.61 = 242,880.21 : x - Step 2: Convert to fraction form
669,311.12/1,004,365.61 = 242,880.21/x - Step 3: Cross multiply
669,311.12x = 1,004,365.61 × 242,880.21 - Step 4: Simplify right side
669,311.12x = 243,940,529,059.18 - Step 5: Solve for x
x = 243,940,529,059.18/669,311.12 - Step 6: Final answer
x = 364,465.08
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1.5x scale
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.