Finding the Fourth Proportional to 568,220.87, 784,124.25 and 313,566.59
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Solution
The fourth proportional to 568,220.87, 784,124.25 and 313,566.59 is: 432,710.55
Step by Step Solution
- Step 1: Write the proportion equation
568,220.87 : 784,124.25 = 313,566.59 : x - Step 2: Convert to fraction form
568,220.87/784,124.25 = 313,566.59/x - Step 3: Cross multiply
568,220.87x = 784,124.25 × 313,566.59 - Step 4: Simplify right side
568,220.87x = 245,875,167,993.24 - Step 5: Solve for x
x = 245,875,167,993.24/568,220.87 - Step 6: Final answer
x = 432,710.55
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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.