Finding the Fourth Proportional to 965,198.88, 1,331,973.94 and 529,619.09
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Solution
The fourth proportional to 965,198.88, 1,331,973.94 and 529,619.09 is: 730,874.06
Step by Step Solution
- Step 1: Write the proportion equation
965,198.88 : 1,331,973.94 = 529,619.09 : x - Step 2: Convert to fraction form
965,198.88/1,331,973.94 = 529,619.09/x - Step 3: Cross multiply
965,198.88x = 1,331,973.94 × 529,619.09 - Step 4: Simplify right side
965,198.88x = 705,438,826,006.52 - Step 5: Solve for x
x = 705,438,826,006.52/965,198.88 - Step 6: Final answer
x = 730,874.06
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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.