Finding the Fourth Proportional to 943,961.70, 1,302,662.04 and 514,240.80
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Solution
The fourth proportional to 943,961.70, 1,302,662.04 and 514,240.80 is: 709,649.52
Step by Step Solution
- Step 1: Write the proportion equation
943,961.70 : 1,302,662.04 = 514,240.80 : x - Step 2: Convert to fraction form
943,961.70/1,302,662.04 = 514,240.80/x - Step 3: Cross multiply
943,961.70x = 1,302,662.04 × 514,240.80 - Step 4: Simplify right side
943,961.70x = 669,881,969,579.23 - Step 5: Solve for x
x = 669,881,969,579.23/943,961.70 - Step 6: Final answer
x = 709,649.52
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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.