Finding the Fourth Proportional to 943,858.16, 1,302,517.56 and 514,138.28
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Solution
The fourth proportional to 943,858.16, 1,302,517.56 and 514,138.28 is: 709,507.17
Step by Step Solution
- Step 1: Write the proportion equation
943,858.16 : 1,302,517.56 = 514,138.28 : x - Step 2: Convert to fraction form
943,858.16/1,302,517.56 = 514,138.28/x - Step 3: Cross multiply
943,858.16x = 1,302,517.56 × 514,138.28 - Step 4: Simplify right side
943,858.16x = 669,674,131,455.61 - Step 5: Solve for x
x = 669,674,131,455.61/943,858.16 - Step 6: Final answer
x = 709,507.17
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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.