Finding the Fourth Proportional to 757,860.18, 1,045,844.91 and 418,326
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Solution
The fourth proportional to 757,860.18, 1,045,844.91 and 418,326 is: 577,288.70
Step by Step Solution
- Step 1: Write the proportion equation
757,860.18 : 1,045,844.91 = 418,326 : x - Step 2: Convert to fraction form
757,860.18/1,045,844.91 = 418,326/x - Step 3: Cross multiply
757,860.18x = 1,045,844.91 × 418,326 - Step 4: Simplify right side
757,860.18x = 437,504,117,820.66 - Step 5: Solve for x
x = 437,504,117,820.66/757,860.18 - Step 6: Final answer
x = 577,288.70
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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.