Finding the Fourth Proportional to 568,306.44, 784,259.01 and 313,657.65
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Solution
The fourth proportional to 568,306.44, 784,259.01 and 313,657.65 is: 432,845.42
Step by Step Solution
- Step 1: Write the proportion equation
568,306.44 : 784,259.01 = 313,657.65 : x - Step 2: Convert to fraction form
568,306.44/784,259.01 = 313,657.65/x - Step 3: Cross multiply
568,306.44x = 784,259.01 × 313,657.65 - Step 4: Simplify right side
568,306.44x = 245,988,838,067.93 - Step 5: Solve for x
x = 245,988,838,067.93/568,306.44 - Step 6: Final answer
x = 432,845.42
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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.