Finding the Fourth Proportional to 513,247.20, 769,996.20 and 361,739.76
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Solution
The fourth proportional to 513,247.20, 769,996.20 and 361,739.76 is: 542,698.02
Step by Step Solution
- Step 1: Write the proportion equation
513,247.20 : 769,996.20 = 361,739.76 : x - Step 2: Convert to fraction form
513,247.20/769,996.20 = 361,739.76/x - Step 3: Cross multiply
513,247.20x = 769,996.20 × 361,739.76 - Step 4: Simplify right side
513,247.20x = 278,538,240,588.91 - Step 5: Solve for x
x = 278,538,240,588.91/513,247.20 - Step 6: Final answer
x = 542,698.02
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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.