Finding the Fourth Proportional to 663,091.35, 915,053.67 and 368,759.12
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Solution
The fourth proportional to 663,091.35, 915,053.67 and 368,759.12 is: 508,880.69
Step by Step Solution
- Step 1: Write the proportion equation
663,091.35 : 915,053.67 = 368,759.12 : x - Step 2: Convert to fraction form
663,091.35/915,053.67 = 368,759.12/x - Step 3: Cross multiply
663,091.35x = 915,053.67 × 368,759.12 - Step 4: Simplify right side
663,091.35x = 337,434,384,958.15 - Step 5: Solve for x
x = 337,434,384,958.15/663,091.35 - Step 6: Final answer
x = 508,880.69
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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.