Finding the Fourth Proportional to 568,374.87, 784,301.47 and 313,709.65
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Solution
The fourth proportional to 568,374.87, 784,301.47 and 313,709.65 is: 432,888.49
Step by Step Solution
- Step 1: Write the proportion equation
568,374.87 : 784,301.47 = 313,709.65 : x - Step 2: Convert to fraction form
568,374.87/784,301.47 = 313,709.65/x - Step 3: Cross multiply
568,374.87x = 784,301.47 × 313,709.65 - Step 4: Simplify right side
568,374.87x = 246,042,939,648.19 - Step 5: Solve for x
x = 246,042,939,648.19/568,374.87 - Step 6: Final answer
x = 432,888.49
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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.