Finding the Fourth Proportional to 513,110.81, 769,340.18 and 450,057.53
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Solution
The fourth proportional to 513,110.81, 769,340.18 and 450,057.53 is: 674,800.32
Step by Step Solution
- Step 1: Write the proportion equation
513,110.81 : 769,340.18 = 450,057.53 : x - Step 2: Convert to fraction form
513,110.81/769,340.18 = 450,057.53/x - Step 3: Cross multiply
513,110.81x = 769,340.18 × 450,057.53 - Step 4: Simplify right side
513,110.81x = 346,247,335,043.57 - Step 5: Solve for x
x = 346,247,335,043.57/513,110.81 - Step 6: Final answer
x = 674,800.32
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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.