Finding the Fourth Proportional to 943,884.20, 1,302,553.55 and 514,164.35
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Solution
The fourth proportional to 943,884.20, 1,302,553.55 and 514,164.35 is: 709,543.18
Step by Step Solution
- Step 1: Write the proportion equation
943,884.20 : 1,302,553.55 = 514,164.35 : x - Step 2: Convert to fraction form
943,884.20/1,302,553.55 = 514,164.35/x - Step 3: Cross multiply
943,884.20x = 1,302,553.55 × 514,164.35 - Step 4: Simplify right side
943,884.20x = 669,726,599,375.94 - Step 5: Solve for x
x = 669,726,599,375.94/943,884.20 - Step 6: Final answer
x = 709,543.18
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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.