Finding the Fourth Proportional to 513,032.76, 769,704.84 and 363,562.20
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Solution
The fourth proportional to 513,032.76, 769,704.84 and 363,562.20 is: 545,453.64
Step by Step Solution
- Step 1: Write the proportion equation
513,032.76 : 769,704.84 = 363,562.20 : x - Step 2: Convert to fraction form
513,032.76/769,704.84 = 363,562.20/x - Step 3: Cross multiply
513,032.76x = 769,704.84 × 363,562.20 - Step 4: Simplify right side
513,032.76x = 279,835,584,981.05 - Step 5: Solve for x
x = 279,835,584,981.05/513,032.76 - Step 6: Final answer
x = 545,453.64
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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.