Finding the Fourth Proportional to 480,693.62, 720,409.70 and 353,739.62
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Solution
The fourth proportional to 480,693.62, 720,409.70 and 353,739.62 is: 530,145.28
Step by Step Solution
- Step 1: Write the proportion equation
480,693.62 : 720,409.70 = 353,739.62 : x - Step 2: Convert to fraction form
480,693.62/720,409.70 = 353,739.62/x - Step 3: Cross multiply
480,693.62x = 720,409.70 × 353,739.62 - Step 4: Simplify right side
480,693.62x = 254,837,453,522.31 - Step 5: Solve for x
x = 254,837,453,522.31/480,693.62 - Step 6: Final answer
x = 530,145.28
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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.