Finding the Fourth Proportional to 547,817.23, 756,472.53 and 341,437.84
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Solution
The fourth proportional to 547,817.23, 756,472.53 and 341,437.84 is: 471,486.35
Step by Step Solution
- Step 1: Write the proportion equation
547,817.23 : 756,472.53 = 341,437.84 : x - Step 2: Convert to fraction form
547,817.23/756,472.53 = 341,437.84/x - Step 3: Cross multiply
547,817.23x = 756,472.53 × 341,437.84 - Step 4: Simplify right side
547,817.23x = 258,288,346,662.54 - Step 5: Solve for x
x = 258,288,346,662.54/547,817.23 - Step 6: Final answer
x = 471,486.35
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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.