Finding the Fourth Proportional to 589,580.99, 813,539.72 and 331,421.43
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Solution
The fourth proportional to 589,580.99, 813,539.72 and 331,421.43 is: 457,315.46
Step by Step Solution
- Step 1: Write the proportion equation
589,580.99 : 813,539.72 = 331,421.43 : x - Step 2: Convert to fraction form
589,580.99/813,539.72 = 331,421.43/x - Step 3: Cross multiply
589,580.99x = 813,539.72 × 331,421.43 - Step 4: Simplify right side
589,580.99x = 269,624,498,192.75 - Step 5: Solve for x
x = 269,624,498,192.75/589,580.99 - Step 6: Final answer
x = 457,315.46
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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.