Finding the Fourth Proportional to 543,930.75, 749,844.90 and 382,284.09
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Solution
The fourth proportional to 543,930.75, 749,844.90 and 382,284.09 is: 527,004.17
Step by Step Solution
- Step 1: Write the proportion equation
543,930.75 : 749,844.90 = 382,284.09 : x - Step 2: Convert to fraction form
543,930.75/749,844.90 = 382,284.09/x - Step 3: Cross multiply
543,930.75x = 749,844.90 × 382,284.09 - Step 4: Simplify right side
543,930.75x = 286,653,775,237.64 - Step 5: Solve for x
x = 286,653,775,237.64/543,930.75 - Step 6: Final answer
x = 527,004.17
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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.