Finding the Fourth Proportional to 557,277.41, 769,278.23 and 376,234.55
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Solution
The fourth proportional to 557,277.41, 769,278.23 and 376,234.55 is: 519,362.62
Step by Step Solution
- Step 1: Write the proportion equation
557,277.41 : 769,278.23 = 376,234.55 : x - Step 2: Convert to fraction form
557,277.41/769,278.23 = 376,234.55/x - Step 3: Cross multiply
557,277.41x = 769,278.23 × 376,234.55 - Step 4: Simplify right side
557,277.41x = 289,429,051,552.63 - Step 5: Solve for x
x = 289,429,051,552.63/557,277.41 - Step 6: Final answer
x = 519,362.62
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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.