Finding the Fourth Proportional to 696,627.62, 960,937.83 and 438,094.49
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Solution
The fourth proportional to 696,627.62, 960,937.83 and 438,094.49 is: 604,313.64
Step by Step Solution
- Step 1: Write the proportion equation
696,627.62 : 960,937.83 = 438,094.49 : x - Step 2: Convert to fraction form
696,627.62/960,937.83 = 438,094.49/x - Step 3: Cross multiply
696,627.62x = 960,937.83 × 438,094.49 - Step 4: Simplify right side
696,627.62x = 420,981,568,997.24 - Step 5: Solve for x
x = 420,981,568,997.24/696,627.62 - Step 6: Final answer
x = 604,313.64
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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.