Finding the Fourth Proportional to 480,154.62, 719,845.92 and 329,949.84
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Solution
The fourth proportional to 480,154.62, 719,845.92 and 329,949.84 is: 494,659.50
Step by Step Solution
- Step 1: Write the proportion equation
480,154.62 : 719,845.92 = 329,949.84 : x - Step 2: Convert to fraction form
480,154.62/719,845.92 = 329,949.84/x - Step 3: Cross multiply
480,154.62x = 719,845.92 × 329,949.84 - Step 4: Simplify right side
480,154.62x = 237,513,046,128.65 - Step 5: Solve for x
x = 237,513,046,128.65/480,154.62 - Step 6: Final answer
x = 494,659.50
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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.