Finding the Fourth Proportional to 943,218.70, 1,414,828.05 and 887,922.70
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Solution
The fourth proportional to 943,218.70, 1,414,828.05 and 887,922.70 is: 1,331,884.05
Step by Step Solution
- Step 1: Write the proportion equation
943,218.70 : 1,414,828.05 = 887,922.70 : x - Step 2: Convert to fraction form
943,218.70/1,414,828.05 = 887,922.70/x - Step 3: Cross multiply
943,218.70x = 1,414,828.05 × 887,922.70 - Step 4: Simplify right side
943,218.70x = 1,256,257,942,191.73 - Step 5: Solve for x
x = 1,256,257,942,191.73/943,218.70 - Step 6: Final answer
x = 1,331,884.05
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.