Finding the Fourth Proportional to 557,008.44, 768,392.10 and 375,490.68
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Solution
The fourth proportional to 557,008.44, 768,392.10 and 375,490.68 is: 517,988.69
Step by Step Solution
- Step 1: Write the proportion equation
557,008.44 : 768,392.10 = 375,490.68 : x - Step 2: Convert to fraction form
557,008.44/768,392.10 = 375,490.68/x - Step 3: Cross multiply
557,008.44x = 768,392.10 × 375,490.68 - Step 4: Simplify right side
557,008.44x = 288,524,072,135.63 - Step 5: Solve for x
x = 288,524,072,135.63/557,008.44 - Step 6: Final answer
x = 517,988.69
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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.