Finding the Fourth Proportional to 943,338.14, 1,301,665.09 and 529,859.05
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Solution
The fourth proportional to 943,338.14, 1,301,665.09 and 529,859.05 is: 731,125.99
Step by Step Solution
- Step 1: Write the proportion equation
943,338.14 : 1,301,665.09 = 529,859.05 : x - Step 2: Convert to fraction form
943,338.14/1,301,665.09 = 529,859.05/x - Step 3: Cross multiply
943,338.14x = 1,301,665.09 × 529,859.05 - Step 4: Simplify right side
943,338.14x = 689,699,028,005.57 - Step 5: Solve for x
x = 689,699,028,005.57/943,338.14 - Step 6: Final answer
x = 731,125.99
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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.