Finding the Fourth Proportional to 568,392.96, 784,388.69 and 313,744.08
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Solution
The fourth proportional to 568,392.96, 784,388.69 and 313,744.08 is: 432,970.37
Step by Step Solution
- Step 1: Write the proportion equation
568,392.96 : 784,388.69 = 313,744.08 : x - Step 2: Convert to fraction form
568,392.96/784,388.69 = 313,744.08/x - Step 3: Cross multiply
568,392.96x = 784,388.69 × 313,744.08 - Step 4: Simplify right side
568,392.96x = 246,097,312,220.54 - Step 5: Solve for x
x = 246,097,312,220.54/568,392.96 - Step 6: Final answer
x = 432,970.37
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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.