Finding the Fourth Proportional to 484,235.80, 726,353.70 and 445,355.80
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Solution
The fourth proportional to 484,235.80, 726,353.70 and 445,355.80 is: 668,033.70
Step by Step Solution
- Step 1: Write the proportion equation
484,235.80 : 726,353.70 = 445,355.80 : x - Step 2: Convert to fraction form
484,235.80/726,353.70 = 445,355.80/x - Step 3: Cross multiply
484,235.80x = 726,353.70 × 445,355.80 - Step 4: Simplify right side
484,235.80x = 323,485,833,146.46 - Step 5: Solve for x
x = 323,485,833,146.46/484,235.80 - Step 6: Final answer
x = 668,033.70
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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.