Finding the Fourth Proportional to 696,361.44, 961,272.72 and 470,313.12
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Solution
The fourth proportional to 696,361.44, 961,272.72 and 470,313.12 is: 649,230.62
Step by Step Solution
- Step 1: Write the proportion equation
696,361.44 : 961,272.72 = 470,313.12 : x - Step 2: Convert to fraction form
696,361.44/961,272.72 = 470,313.12/x - Step 3: Cross multiply
696,361.44x = 961,272.72 × 470,313.12 - Step 4: Simplify right side
696,361.44x = 452,099,172,114.09 - Step 5: Solve for x
x = 452,099,172,114.09/696,361.44 - Step 6: Final answer
x = 649,230.62
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1.5x scale
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.