Finding the Fourth Proportional to 484,704.12, 668,907.24 and 303,358.08
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Solution
The fourth proportional to 484,704.12, 668,907.24 and 303,358.08 is: 418,643.89
Step by Step Solution
- Step 1: Write the proportion equation
484,704.12 : 668,907.24 = 303,358.08 : x - Step 2: Convert to fraction form
484,704.12/668,907.24 = 303,358.08/x - Step 3: Cross multiply
484,704.12x = 668,907.24 × 303,358.08 - Step 4: Simplify right side
484,704.12x = 202,918,416,024.50 - Step 5: Solve for x
x = 202,918,416,024.50/484,704.12 - Step 6: Final answer
x = 418,643.89
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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.